15+9f=5(8f-2)

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Solution for 15+9f=5(8f-2) equation: 



15+9f=5(8f-2)

We move all terms to the left:

15+9f-(5(8f-2))=0



We calculate terms in parentheses: -(5(8f-2)), so:

5(8f-2)

We multiply parentheses

40f-10

Back to the equation:

-(40f-10)



We get rid of parentheses

9f-40f+10+15=0

We add all the numbers together, and all the variables

-31f+25=0

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

-31f=-25

f=-25/-31

f=25/31

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