-2(r-60)=-78

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Solution for -2(r-60)=-78 equation: 



-2(r-60)=-78

We move all terms to the left:

-2(r-60)-(-78)=0

We add all the numbers together, and all the variables

-2(r-60)+78=0

We multiply parentheses

-2r+120+78=0

We add all the numbers together, and all the variables

-2r+198=0

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

-2r=-198

r=-198/-2

r=+99

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