-15+4f-7=12f+8

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Solution for -15+4f-7=12f+8 equation: 



-15+4f-7=12f+8

We move all terms to the left:

-15+4f-7-(12f+8)=0

We add all the numbers together, and all the variables

4f-(12f+8)-22=0

We get rid of parentheses

4f-12f-8-22=0

We add all the numbers together, and all the variables

-8f-30=0

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

-8f=30

f=30/-8

f=-3+3/4

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