-3r-2r=-(8r+8)-(4+r)

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Solution for -3r-2r=-(8r+8)-(4+r) equation: 



-3r-2r=-(8r+8)-(4+r)

We move all terms to the left:

-3r-2r-(-(8r+8)-(4+r))=0

We add all the numbers together, and all the variables

-3r-2r-(-(8r+8)-(r+4))=0

We add all the numbers together, and all the variables

-5r-(-(8r+8)-(r+4))=0



We calculate terms in parentheses: -(-(8r+8)-(r+4)), so:

-(8r+8)-(r+4)

We get rid of parentheses

-8r-r-8-4

We add all the numbers together, and all the variables

-9r-12

Back to the equation:

-(-9r-12)



We get rid of parentheses

-5r+9r+12=0

We add all the numbers together, and all the variables

4r+12=0

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

4r=-12

r=-12/4

r=-3

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