7f-9=-5f-20+11f

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Solution for 7f-9=-5f-20+11f equation: 



7f-9=-5f-20+11f

We move all terms to the left:

7f-9-(-5f-20+11f)=0

We add all the numbers together, and all the variables

7f-(6f-20)-9=0

We get rid of parentheses

7f-6f+20-9=0

We add all the numbers together, and all the variables

f+11=0

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

f=-11

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