7=2(f+2)-1

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Solution for 7=2(f+2)-1 equation: 



7=2(f+2)-1

We move all terms to the left:

7-(2(f+2)-1)=0



We calculate terms in parentheses: -(2(f+2)-1), so:

2(f+2)-1

We multiply parentheses

2f+4-1

We add all the numbers together, and all the variables

2f+3

Back to the equation:

-(2f+3)



We get rid of parentheses

-2f-3+7=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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