3r-2=8r+13

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Solution for 3r-2=8r+13 equation: 



3r-2=8r+13

We move all terms to the left:

3r-2-(8r+13)=0

We get rid of parentheses

3r-8r-13-2=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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