10r=(-9r-8)

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Solution for 10r=(-9r-8) equation: 



10r=(-9r-8)

We move all terms to the left:

10r-((-9r-8))=0



We calculate terms in parentheses: -((-9r-8)), so:

(-9r-8)

We get rid of parentheses

-9r-8

Back to the equation:

-(-9r-8)



We get rid of parentheses

10r+9r+8=0

We add all the numbers together, and all the variables

19r+8=0

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

19r=-8

r=-8/19

r=-8/19

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