3r=-13+2r

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Solution for 3r=-13+2r equation: 



3r=-13+2r

We move all terms to the left:

3r-(-13+2r)=0

We add all the numbers together, and all the variables

3r-(2r-13)=0

We get rid of parentheses

3r-2r+13=0

We add all the numbers together, and all the variables

r+13=0

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

r=-13

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