-12-20r=6(-2r-2)-8r

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Solution for -12-20r=6(-2r-2)-8r equation: 



-12-20r=6(-2r-2)-8r

We move all terms to the left:

-12-20r-(6(-2r-2)-8r)=0



We calculate terms in parentheses: -(6(-2r-2)-8r), so:

6(-2r-2)-8r

We add all the numbers together, and all the variables

-8r+6(-2r-2)

We multiply parentheses

-8r-12r-12

We add all the numbers together, and all the variables

-20r-12

Back to the equation:

-(-20r-12)



We get rid of parentheses

-20r+20r+12-12=0

We add all the numbers together, and all the variables

=0

r=0/1

r=0

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