-6r+12=84

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Solution for -6r+12=84 equation: 



-6r+12=84

We move all terms to the left:

-6r+12-(84)=0

We add all the numbers together, and all the variables

-6r-72=0

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

-6r=72

r=72/-6

r=-12

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