2f+8=-7-f

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Solution for 2f+8=-7-f equation: 



2f+8=-7-f

We move all terms to the left:

2f+8-(-7-f)=0

We add all the numbers together, and all the variables

2f-(-1f-7)+8=0

We get rid of parentheses

2f+1f+7+8=0

We add all the numbers together, and all the variables

3f+15=0

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

3f=-15

f=-15/3

f=-5

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