7f-3+2f=7f+9

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Solution for 7f-3+2f=7f+9 equation: 



7f-3+2f=7f+9

We move all terms to the left:

7f-3+2f-(7f+9)=0

We add all the numbers together, and all the variables

9f-(7f+9)-3=0

We get rid of parentheses

9f-7f-9-3=0

We add all the numbers together, and all the variables

2f-12=0

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

2f=12

f=12/2

f=6

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