-7-9f=56-f

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Solution for -7-9f=56-f equation: 



-7-9f=56-f

We move all terms to the left:

-7-9f-(56-f)=0

We add all the numbers together, and all the variables

-9f-(-1f+56)-7=0

We get rid of parentheses

-9f+1f-56-7=0

We add all the numbers together, and all the variables

-8f-63=0

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

-8f=63

f=63/-8

f=-7+7/8

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