f+8=-7f

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Solution for f+8=-7f equation: 



f+8=-7f

We move all terms to the left:

f+8-(-7f)=0

We get rid of parentheses

f+7f+8=0

We add all the numbers together, and all the variables

8f+8=0

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

8f=-8

f=-8/8

f=-1

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