-3f=7+4f

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Solution for -3f=7+4f equation: 



-3f=7+4f

We move all terms to the left:

-3f-(7+4f)=0

We add all the numbers together, and all the variables

-3f-(4f+7)=0

We get rid of parentheses

-3f-4f-7=0

We add all the numbers together, and all the variables

-7f-7=0

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

-7f=7

f=7/-7

f=-1

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