-2=-5r+10+2r

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Solution for -2=-5r+10+2r equation: 



-2=-5r+10+2r

We move all terms to the left:

-2-(-5r+10+2r)=0

We add all the numbers together, and all the variables

-(-3r+10)-2=0

We get rid of parentheses

3r-10-2=0

We add all the numbers together, and all the variables

3r-12=0

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

3r=12

r=12/3

r=4

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