-8r+3=-9-12r+3r

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Solution for -8r+3=-9-12r+3r equation: 



-8r+3=-9-12r+3r

We move all terms to the left:

-8r+3-(-9-12r+3r)=0

We add all the numbers together, and all the variables

-8r-(-9r-9)+3=0

We get rid of parentheses

-8r+9r+9+3=0

We add all the numbers together, and all the variables

r+12=0

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

r=-12

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