31=-5+7(f+2)

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Solution for 31=-5+7(f+2) equation: 



31=-5+7(f+2)

We move all terms to the left:

31-(-5+7(f+2))=0



We calculate terms in parentheses: -(-5+7(f+2)), so:

-5+7(f+2)

determiningTheFunctionDomain
7(f+2)-5

We multiply parentheses

7f+14-5

We add all the numbers together, and all the variables

7f+9

Back to the equation:

-(7f+9)



We get rid of parentheses

-7f-9+31=0

We add all the numbers together, and all the variables

-7f+22=0

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

-7f=-22

f=-22/-7

f=3+1/7

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