F(-2)=-3x-12

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Solution for F(-2)=-3x-12 equation: 



(-2)=-3F-12

We move all terms to the left:

(-2)-(-3F-12)=0

We add all the numbers together, and all the variables

-(-3F-12)-2=0

We get rid of parentheses

3F+12-2=0

We add all the numbers together, and all the variables

3F+10=0

We move all terms containing F to the left, all other terms to the right

3F=-10

F=-10/3

F=-3+1/3

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