9r+8=-8(-8r-1)

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Solution for 9r+8=-8(-8r-1) equation: 



9r+8=-8(-8r-1)

We move all terms to the left:

9r+8-(-8(-8r-1))=0



We calculate terms in parentheses: -(-8(-8r-1)), so:

-8(-8r-1)

We multiply parentheses

64r+8

Back to the equation:

-(64r+8)



We get rid of parentheses

9r-64r-8+8=0

We add all the numbers together, and all the variables

-55r=0

r=0/-55

r=0

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