2-7r=-5-8r

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Solution for 2-7r=-5-8r equation: 



2-7r=-5-8r

We move all terms to the left:

2-7r-(-5-8r)=0

We add all the numbers together, and all the variables

-7r-(-8r-5)+2=0

We get rid of parentheses

-7r+8r+5+2=0

We add all the numbers together, and all the variables

r+7=0

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

r=-7

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