-5(1-2r)=-85

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Solution for -5(1-2r)=-85 equation: 



-5(1-2r)=-85

We move all terms to the left:

-5(1-2r)-(-85)=0

We add all the numbers together, and all the variables

-5(-2r+1)-(-85)=0

We add all the numbers together, and all the variables

-5(-2r+1)+85=0

We multiply parentheses

10r-5+85=0

We add all the numbers together, and all the variables

10r+80=0

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

10r=-80

r=-80/10

r=-8

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