-8+8(-r-4)=-40-8r

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Solution for -8+8(-r-4)=-40-8r equation: 



-8+8(-r-4)=-40-8r

We move all terms to the left:

-8+8(-r-4)-(-40-8r)=0

We add all the numbers together, and all the variables

8(-1r-4)-(-8r-40)-8=0

We multiply parentheses

-8r-(-8r-40)-32-8=0

We get rid of parentheses

-8r+8r+40-32-8=0

We add all the numbers together, and all the variables

=0

r=0/1

r=0

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