9f=8+7f

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Solution for 9f=8+7f equation: 



9f=8+7f

We move all terms to the left:

9f-(8+7f)=0

We add all the numbers together, and all the variables

9f-(7f+8)=0

We get rid of parentheses

9f-7f-8=0

We add all the numbers together, and all the variables

2f-8=0

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

2f=8

f=8/2

f=4

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