I am so confused please help

Answer:

-10

Step-by-step explanation:

F(-1)=-6

g(-6)=-10

Which equation has x = 5 as the solution?

2x = 5
2x = 5

x - 10 = 15
x - 10 = 15

x + 15 =10
x + 15 =10

2x = 10

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