-12r=-72

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Solution for -12r=-72 equation: 



-12r=-72

We move all terms to the left:

-12r-(-72)=0

We add all the numbers together, and all the variables

-12r+72=0

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

-12r=-72

r=-72/-12

r=+6

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