4-7f=f-122

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Solution for 4-7f=f-122 equation: 



4-7f=f-122

We move all terms to the left:

4-7f-(f-122)=0

We get rid of parentheses

-7f-f+122+4=0

We add all the numbers together, and all the variables

-8f+126=0

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

-8f=-126

f=-126/-8

f=15+3/4

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