-14=2(r+7)

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Solution for -14=2(r+7) equation: 



-14=2(r+7)

We move all terms to the left:

-14-(2(r+7))=0



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

2(r+7)

We multiply parentheses

2r+14

Back to the equation:

-(2r+14)



We get rid of parentheses

-2r-14-14=0

We add all the numbers together, and all the variables

-2r-28=0

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

-2r=28

r=28/-2

r=-14

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