F(-3)=2x-12

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



(-3)=2F-12

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(2F-12)-3=0

We get rid of parentheses

-2F+12-3=0

We add all the numbers together, and all the variables

-2F+9=0

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

-2F=-9

F=-9/-2

F=4+1/2

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