-4(r+r)=-70

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Solution for -4(r+r)=-70 equation: 



-4(r+r)=-70

We move all terms to the left:

-4(r+r)-(-70)=0

We add all the numbers together, and all the variables

-4(+2r)-(-70)=0

We add all the numbers together, and all the variables

-4(+2r)+70=0

We multiply parentheses

-8r+70=0

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

-8r=-70

r=-70/-8

r=8+3/4

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