f(x)=-7x-56

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Solution for f(x)=-7x-56 equation: 



(F)=-7F-56

We move all terms to the left:

(F)-(-7F-56)=0

We get rid of parentheses

F+7F+56=0

We add all the numbers together, and all the variables

8F+56=0

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

8F=-56

F=-56/8

F=-7

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