12=2(f+4)

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Solution for 12=2(f+4) equation: 



12=2(f+4)

We move all terms to the left:

12-(2(f+4))=0



We calculate terms in parentheses: -(2(f+4)), so:

2(f+4)

We multiply parentheses

2f+8

Back to the equation:

-(2f+8)



We get rid of parentheses

-2f-8+12=0

We add all the numbers together, and all the variables

-2f+4=0

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

-2f=-4

f=-4/-2

f=+2

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