-4+12r=112

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Solution for -4+12r=112 equation: 



-4+12r=112

We move all terms to the left:

-4+12r-(112)=0

We add all the numbers together, and all the variables

12r-116=0

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

12r=116

r=116/12

r=9+2/3

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