r-7=-2r+10+10

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Solution for r-7=-2r+10+10 equation: 



r-7=-2r+10+10

We move all terms to the left:

r-7-(-2r+10+10)=0

We add all the numbers together, and all the variables

r-(-2r+20)-7=0

We get rid of parentheses

r+2r-20-7=0

We add all the numbers together, and all the variables

3r-27=0

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

3r=27

r=27/3

r=9

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