7-2r=-8-3r

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Solution for 7-2r=-8-3r equation: 



7-2r=-8-3r

We move all terms to the left:

7-2r-(-8-3r)=0

We add all the numbers together, and all the variables

-2r-(-3r-8)+7=0

We get rid of parentheses

-2r+3r+8+7=0

We add all the numbers together, and all the variables

r+15=0

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

r=-15

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