Mathematics College

Solve for :x
8x- 3 = 5 (2x + 1)
A. x= -4
B. x= -2
C. x= 1
D. x= 9
Plz help

Answers

Answer 1

Answer:

-4

Step-by-step explanation:

8x-3=5(2x+1)

8x-3=10x+5

-2x-3=5

-2x=8

x=-4

Answer 2

Answer:

A

[tex]x = - 4[/tex]

Step-by-step explanation:

do the Parentheses first so----

do Parentheses first which would then be 8x-3=10x+5

then put "10x in the middle of 8x and -3

so

[tex]8x - 10x - 3 = 5[/tex]

then 8x-10x which would equal -2x

then you would be left with

[tex] - 2x = 5 + 3[/tex]

add the 5+3 ------>> -2x=8

(divide both sides)

[tex]x = - 4[/tex]

Related Questions

Declan says that for any number n, the product 4xn is greater than 4. Which vaule of n shows why Declan is incorrect

Answers

Answer:

n>1

Step-by-step explanation:

Given

Statement: 4x n is greater than 4

Required

Value of n

First we need to rewrite the statement in algebraic form;

Product 4 * n is represented by 4n

greater than 4 is represented by > 4

Bringing these two together, it gives the following

Divide through by 4

We've arrive at solution;

This means that n is greater than 1

So, the values of n must start from 2 to show that the condition is true

Question 2 (1 point)
Jon drinks 10 sodas a week. Which graph correctly represents the unit rate for this
proportional relationship?

Answers

Graph A because the graph starts out at 10 on week one and goes up by ten each week

Abraham went hiking last Saturday. From the car park, he walked 4 km due north,
then 2.5 km due west before stopping to eat his picnic.

a) Draw a diagram to show his journey.
b) Write down the journey as the sum of two column vectors.
c) After his picnic, Abraham walked in a straight line back to the car park. How far did he walk to get back?

Answers

Answer:

a. (see attachment)

b. 6.5 km

c. 4.717 km

MAKE SURE TO USE UNITS

what are the slope and y-intercrpt of the line described by the equation y=-2x+5?​

Answers

The slope of y=-2x+5 is -2 the intercept is 5

5+19x2
What is the correct answer

Answers

Answer:

43

Step-by-step explanation:

PEMDAS 19 times 2 is 38 plus 5 equals 43

Help please who ever correct brainliest

Answers

Answer:

Step-by-step explanation:

  5

3  _

    18
















A bag has yellow, red, green, blue, black, and white marbles. There are 5 of each color in the bag. What fraction of the marbles, in simplest form, are not black or white?

Answers

Answer:

2/3

Step-by-step explanation:

Have a great day

I cant figure out if its + or ×​

Answers

Answer:

it b the one u clicked cus u have to add the number together to get the result

Step-by-step explanation:

please help i’ll give brainliest❤️

Answers

Answer:

12 should be right I think I did the math

Step-by-step explanation:

£412 ————> €515
£500 ————> (515/412)*500 = €625

The answer is €625

Plz help in 1 min plz plz

Answers

in the second column first question in the table the answer is 12, below that is 30, below that is 42, in the first column fourth box down the answer is 11, i used the equation of distance = speed x time to work out the number of bracelets and the equation time = distance/ speed to work out the time, i apologise if any of this is wrong but overall i hope that it helps

Pleaseeee helppp meeee

Answers

Answer:

4 green jellybeans

Step-by-step explanation:

I will mark you brainliest

Answers

Answer:

it is b and c

Step-by-step explanation:

Sam had 35 red and yellow marbles. If 60 percent of the marbles are yellow how many RED marbles does sam have?

Answers

Answer:14 red marbles

Step-by-step explanation:

60% of the marbles are yellow  and there is a total of 35 marbles.

60% of 35 is 21, so there are 21 yellow marbles.

35-21= 14,

leaving you with 14 red marbles.

If an interior angle of a regular polygon measures 108°, how many sides does the polygon have?

Answers

Answer:

5

Step-by-step explanation:

(n-2)180 = 108

          n

Distribute

180n-360=108n

-360=-72n

5=n

n=5

Answer:

5 sides

Step-by-step explanation:

Use the formula for the measure of an interior angle of a polygon

[tex]\frac{(n - 2)180}{n}[/tex]

Solve for n (the number of sides):

108 = [tex]\frac{(n - 2)180}{n}[/tex]

108n = (n - 2)180

108n = 180n - 360

-72n = -360

n = 5

So, the polygon has 5 sides.

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