-9+7f=4f+7+8

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Solution for -9+7f=4f+7+8 equation: 



-9+7f=4f+7+8

We move all terms to the left:

-9+7f-(4f+7+8)=0

We add all the numbers together, and all the variables

7f-(4f+15)-9=0

We get rid of parentheses

7f-4f-15-9=0

We add all the numbers together, and all the variables

3f-24=0

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

3f=24

f=24/3

f=8

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