2=22-2f

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Solution for 2=22-2f equation: 



2=22-2f

We move all terms to the left:

2-(22-2f)=0

We add all the numbers together, and all the variables

-(-2f+22)+2=0

We get rid of parentheses

2f-22+2=0

We add all the numbers together, and all the variables

2f-20=0

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

2f=20

f=20/2

f=10

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