6r+13=7+8r

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Solution for 6r+13=7+8r equation: 



6r+13=7+8r

We move all terms to the left:

6r+13-(7+8r)=0

We add all the numbers together, and all the variables

6r-(8r+7)+13=0

We get rid of parentheses

6r-8r-7+13=0

We add all the numbers together, and all the variables

-2r+6=0

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

-2r=-6

r=-6/-2

r=+3

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