5f+7f-8=7+7f

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Solution for 5f+7f-8=7+7f equation: 



5f+7f-8=7+7f

We move all terms to the left:

5f+7f-8-(7+7f)=0

We add all the numbers together, and all the variables

5f+7f-(7f+7)-8=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

12f-7f-7-8=0

We add all the numbers together, and all the variables

5f-15=0

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

5f=15

f=15/5

f=3

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