12r-3=-13+11r

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Solution for 12r-3=-13+11r equation: 



12r-3=-13+11r

We move all terms to the left:

12r-3-(-13+11r)=0

We add all the numbers together, and all the variables

12r-(11r-13)-3=0

We get rid of parentheses

12r-11r+13-3=0

We add all the numbers together, and all the variables

r+10=0

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

r=-10

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