-12-f=4f-7

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Solution for -12-f=4f-7 equation: 



-12-f=4f-7

We move all terms to the left:

-12-f-(4f-7)=0

We add all the numbers together, and all the variables

-1f-(4f-7)-12=0

We get rid of parentheses

-1f-4f+7-12=0

We add all the numbers together, and all the variables

-5f-5=0

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

-5f=5

f=5/-5

f=-1

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