-3r+3+8r=-12

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Solution for -3r+3+8r=-12 equation: 



-3r+3+8r=-12

We move all terms to the left:

-3r+3+8r-(-12)=0

We add all the numbers together, and all the variables

5r+15=0

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

5r=-15

r=-15/5

r=-3

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