-13+2r=r-3

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



-13+2r=r-3

We move all terms to the left:

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

We get rid of parentheses

2r-r+3-13=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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