r-2(r+7)=-25

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Solution for r-2(r+7)=-25 equation: 



r-2(r+7)=-25

We move all terms to the left:

r-2(r+7)-(-25)=0

We add all the numbers together, and all the variables

r-2(r+7)+25=0

We multiply parentheses

r-2r-14+25=0

We add all the numbers together, and all the variables

-1r+11=0

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

-r=-11

r=-11/-1

r=+11

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