18+3(9f-13)=f

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Solution for 18+3(9f-13)=f equation: 



18+3(9f-13)=f

We move all terms to the left:

18+3(9f-13)-(f)=0

We add all the numbers together, and all the variables

-1f+3(9f-13)+18=0

We multiply parentheses

-1f+27f-39+18=0

We add all the numbers together, and all the variables

26f-21=0

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

26f=21

f=21/26

f=21/26

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