-31+4f=2(9f-3)

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Solution for -31+4f=2(9f-3) equation: 



-31+4f=2(9f-3)

We move all terms to the left:

-31+4f-(2(9f-3))=0



We calculate terms in parentheses: -(2(9f-3)), so:

2(9f-3)

We multiply parentheses

18f-6

Back to the equation:

-(18f-6)



We get rid of parentheses

4f-18f+6-31=0

We add all the numbers together, and all the variables

-14f-25=0

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

-14f=25

f=25/-14

f=-1+11/14

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