-9(4r+7)-10=-145

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Solution for -9(4r+7)-10=-145 equation: 



-9(4r+7)-10=-145

We move all terms to the left:

-9(4r+7)-10-(-145)=0

We add all the numbers together, and all the variables

-9(4r+7)+135=0

We multiply parentheses

-36r-63+135=0

We add all the numbers together, and all the variables

-36r+72=0

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

-36r=-72

r=-72/-36

r=+2

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