-4.5(7+8.5r)=-30.5

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Solution for -4.5(7+8.5r)=-30.5 equation: 



-4.5(7+8.5r)=-30.5

We move all terms to the left:

-4.5(7+8.5r)-(-30.5)=0

We add all the numbers together, and all the variables

-4.5(8.5r+7)-(-30.5)=0

We add all the numbers together, and all the variables

-4.5(8.5r+7)+30.5=0

We multiply parentheses

-36r-31.5+30.5=0

We add all the numbers together, and all the variables

-36r-1=0

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

-36r=1

r=1/-36

r=-1/36

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