-3f-20=2f+20

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Solution for -3f-20=2f+20 equation: 



-3f-20=2f+20

We move all terms to the left:

-3f-20-(2f+20)=0

We get rid of parentheses

-3f-2f-20-20=0

We add all the numbers together, and all the variables

-5f-40=0

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

-5f=40

f=40/-5

f=-8

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