12r+4=-8

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Solution for 12r+4=-8 equation: 



12r+4=-8

We move all terms to the left:

12r+4-(-8)=0

We add all the numbers together, and all the variables

12r+12=0

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

12r=-12

r=-12/12

r=-1

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