-3(r+2)=-7(r+2)

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Solution for -3(r+2)=-7(r+2) equation: 



-3(r+2)=-7(r+2)

We move all terms to the left:

-3(r+2)-(-7(r+2))=0

We multiply parentheses

-3r-(-7(r+2))-6=0



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

-7(r+2)

We multiply parentheses

-7r-14

Back to the equation:

-(-7r-14)



We get rid of parentheses

-3r+7r+14-6=0

We add all the numbers together, and all the variables

4r+8=0

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

4r=-8

r=-8/4

r=-2

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