-7(5+4f)=31

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Solution for -7(5+4f)=31 equation: 



-7(5+4f)=31

We move all terms to the left:

-7(5+4f)-(31)=0

We add all the numbers together, and all the variables

-7(4f+5)-31=0

We multiply parentheses

-28f-35-31=0

We add all the numbers together, and all the variables

-28f-66=0

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

-28f=66

f=66/-28

f=-2+5/14

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