-20r=-70

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Solution for -20r=-70 equation: 



-20r=-70

We move all terms to the left:

-20r-(-70)=0

We add all the numbers together, and all the variables

-20r+70=0

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

-20r=-70

r=-70/-20

r=3+1/2

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