5x - 1 - 2x = 20. Solve for x.

Answers

Answer 1

Answer:

x = 7

Step-by-step explanation:

Given

5x - 1 - 2x = 20, that is

3x - 1 = 20 ( add 1 to both sides )

3x = 21 ( divide both sides by 3 )

x = 7

Answer 2

Step-by-step explanation:

5x-1-2x=20

3x-1=20

3x=20+1

3x=21

3x/3=21/3

x=7

-------- hope it helped


Related Questions

Determine the range of the graph

Answers

Answer:

is 20

Step-by-step explanation:

hope this helps

Sushil was thinking of a number. Sushil doubles it, then adds 20 to get an answer of 25.7. What was the original number?

Answers

Answer:

2.85

Step-by-step explanation:

2x+20=25.7

2x+20-20=25.7-20

2x=5.7

2x/2=5.7/2

x=2.85

Alternate EXTERIOR angles are angles located the exterior of the parallel lines and on opposite sides of the transversal . Is a pair of alterate exterior angles supplementary angles or congruent angles?

Answers

Answer:

Supplementary

Step-by-step explanation:

4x-9y=-48
x=-3.

what is x and y ?​

Answers

Answer:

x=-3 and y=4

Step-by-step explanation:

hope this helps!

Answer with only a number, no units: Mohammed runs 3 1/4 miles in 1/2 an hour. What is his rate in miles per hour? *

Answers

Answer:

yes yes

Step-by-step explanation:

Answer:  6 & 1/2

This is a mixed number with 6 as the whole part and 1/2 as the fractional part.

Your teacher may want you to enter the answer without the ampersand symbol. If that's the case, then you would type in 6 1/2.

=============================================================

Work Shown:

1/4 = 0.25

3 & 1/4 = 3 + 1/4 = 3 + 0.25 = 3.25

1/2 = 0.5

He runs 3.25 miles in 0.5 of an hour

d = distance = 3.25 miles

t = time = 0.5 hour

r = unknown rate or speed in miles per hour (mph)

------------

distance = rate*time

d = r*t

3.25 = r*0.5

3.25 = 0.5r

0.5r = 3.25

r = 3.25/0.5 .......... divide both sides by 0.5

r = 6.5

r = 6 + 0.5

r = 6 + 1/2

r = 6 & 1/2

His rate is 6 & 1/2 mph

What is 28% of 76.

Answers

Answer:

21.28

Step-by-step explanation:

If you plug it in to your caculator you would have 21.28

can you help me with this

Answers

Answer:

c

Step-by-step explanation:

c is just an expression it doesnt have an inequality

AE'C'D' is the image of AECD after a line reflect. Use a compass and
straightedge to construct the line of reflection. Your final answer should be exactly
one blue line.
compass
segment
ray
line
undo
Select a tool above.
D
E
с

Answers

A,C,D there you go!!

i need the answer asap

Answers

Answer:What the question?

Step-by-step explanation:

Answer:

U didn't ask a question lollz

Step-by-step explanation:

need help asap

Katherine was out at a restaurant for dinner when the bill came. Her dinner came to $22. After adding in a tip, before tax, she paid $28.38. Find the percent tip.​

Answers

Answer:

my name is katherine....

Step-by-step explanation:

its also 29% ^^

PLEASE HELP ME FIND THE CORDINATES FOR THESE GRAPHSSS PLEASE ILL GIVE YOU BRAINLIEST AND 25 POINTS

Answers

1. (-1,-1) (2,-2)
2. (-3,0) (2,0)
3. (-4,-3) (-1,2)

In Michigan, the snowfall was recorded at 4.5 inches in 3 hours. At what unit rate, in inches per hour, did the snow fall?

Answers

Answer: 1.5 inches/hour

Step-by-step explanation:

4.5/3=

1.5 is the answer because 4,5 divided by 3 is 1.5 hope this helps

HELP ASAP PLS. Analyze the reflectional symmetry of the image.

How many lines of symmetry does this image have?

0
1
2
4

Answers

Answer:

2

Step-by-step explanation:

Answer:

zero

Step-by-step explanation:

truss

Please help me!!!!!!!!

Answers

Answer:

try to copy and paste on gooogle and i think the answer is going to pop up

Step-by-step explanation:

what is 4 to the 7th power

Answers

Answer:

16384

Step-by-step explanation:

The solution for 4 to the 7th power can be expressed as 16,384.

What is 4 to the 7th power?

To calculate 4 to the 7th power, we need to multiply 4 by itself seven times. Let's break it down step by step:

4¹ = 4 {4 to the power of 1}

4² = 4 x 4 = 16 {4 to the power of }

4³ = 16 x 4 = 64 {4 to the power of 3}

4⁴ = 64 x 4 = 256 {4 to the power of 4}

4⁵ = 256 x 4 = 1024 {4 to the power of 5}

4⁶ = 1024 x 4 = 4096 {4 to the power of 6}

4⁷ = 4096 x 4 = 16384 {4 to the power of 7}

Therefore, 4 to the 7th power has a solution equal to 16,384.

Read more about power here: https://brainly.com/question/29288036

#SPJ6

Diagram shows the composite solid formed by a cuboid and a right prism. Trapezium LMNP is the uniform cross section of the prism. It is given the volume of the composite solid is 444cm³. Calculate the length, in cm of MN​

Answers

Answer:

MN = 7 cm

Step-by-step explanation:

Well the volume we can separate into pieces

first the ABCDEFGH (? you know this cuboid)

which has a volume of

[tex]V = AB\cdot BC\cdot CH\\\\V = 3*6*(3+JY+4)[/tex]

if you ask where does the 4 come from

it comes from LP = KB = YC and JY + YC =JC

so

[tex]V = 18(7+MX)[/tex]

this is because JY = MX

the other volume is of BCNPKLXY (hope you understand which one)

and the volume is

[tex]V = BP*PN*NX\\\\V=8*6*4\\\\V = 192[/tex]

and the last one is KYXLMJ (the top "triangle")

the volume is

[tex]V = \frac{LX*XM}{2}*LK\\\\V = \frac{6*MX}{2}*8\\\\V= 6*4*MX\\\\V=24MX[/tex]

so now add them up

and has to equal 444

[tex]V_T = 18(7+MX)+192+24MX\\\\V_T = 126+18MX+192+24MX\\\\V_T = 318+42MX\\\\444=318+42MX\\\\444-318=42MX\\\\126=42MX\\\\MX = 3[/tex]

and finally we know that MN = MX + XN = 3+4 = 7

so here is our answer MN = 7 cm

a couple of notes

[tex]1.\:\angle LXM = 90\\\\2.\:\angle KYX = 90[/tex]

3. the units don't matter due to the fact that everything is in cm

4. see the picture below to get a better idea of which prism I am talking of

5. tell me if you have questions :D

what is 5 1/2 of 24

Answers

Answer:

132

Step-by-step explanation:

calculator says so.

Represent 36÷4=9 using subtraction

Answers

Answer:

You can do 36-4 -4 -4 -4 -4 -4 -4 which equals 4.

Step-by-step explanation:

Hope this helps :)

reflections
what is a reflection

Answers

Answer: A reflection is a transformation representing a flip of a figure. When reflecting a figure in a line or in a point, the image is congruent to the preimage. ... A reflection maps every point of a figure to an image across a fixed line. The fixed line is called the line of reflection.

A reflection is a transformation representing a flip of a figure.

Simplify this expression

2 x x x 3 x y
(The 2nd ‘x’ is algebra)

Answers

Answer:

the answer is. .6xy..........

Answer:

6xy

Step-by-step explanation:

HELP ME PLEASE EMERGENCY

Answers

Answer:

I think its either b or d

Answer:

213

Step-by-step explanation:

15*3=45

24*7=168

45+192=213

Is (-5, -5) a solution of y> - 2x +4?

Answers

The ordered pair is not a solution to the equation

helpp this is characteristics of quadratic functions

Answers

Answer:

Vertex: (-2,16)

AOS: 16

Max or Min: Max

X intercepts: (-6,0) (2,0)

Y intercept: (0,12)

Step-by-step explanation:

always, sometimes, or never.
in an isosceles right triangle, the ratio of the measure of the angles is 1:1:2

Answers

The ratio is always 1:1:√2

Somebody help please!!!

Answers

Answer: x=26

Step-by-step explanation:

PLS HELP ME!! I WILL MARK BRAINLIEST!!!

5. Ty is eight inches shorter

than his brother, Reece. If

Ty is 42 inches tall, then how

tall is Reece?

Equation: _________________

Solution: _________________

Answers

Answer:

Step-by-step explanation:

42 + 8 = R

50 = R

Reece is 50 inches tall

OR

R - 8 = 42

r = 50

Answer:

The answer is 50 inches for solution

Step-by-step explanation:

for equation it would be 42+8=50

DF
bisects EDG. Find the value of x. The
diagram is not to scale.
4x+72 10x 31

Answers

The answer is 102 because u have to multiply then divide

Carson invested $2,700 in an account paying an interest rate of 1.6% compounded
continuously. Assuming no deposits or withdrawals are made, how much money, to
the nearest cent, would be in the account after 5 years?

Answers

Answer:

its not right

Step-by-step explanation:

Answer:

2924.88

Step-by-step explanation:

Consider the two expressions. Expression 1 Expression 2 9x+x 2(5x) Which statement is true? Expression 1 is equivalent to Expression 2 because the two expressions have the same amount of terms. Expression 1 is equivalent to Expression 2 because the two expressions have the same amount of terms. Expression 1 is equivalent to Expression 2 because the two expressions have the same value regardless of which value is substituted into them. Expression 1 is equivalent to Expression 2 because the two expressions have the same value regardless of which value is substituted into them. Expression 1 is not equivalent to Expression 2 because the two expressions do not have the same number of variables. Expression 1 is not equivalent to Expression 2 because the two expressions do not have the same number of variables. Expression 1 is not equivalent to Expression 2 because the two expressions do not simplify to equivalent expressions. Expression 1 is not equivalent to Expression 2 because the two expressions do no

Answers

This makes no sense
Expiation

A line, L, has the equation y = 5x – 1.
Write down the gradient of line L.

Answers

Answer:

5

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope (gradient) and c the y- intercept )

y = 5x - 1 ← is in slope- intercept form

with gradient = 5

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