2(10r-7)-2(11+10r)=-r+2r

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Solution for 2(10r-7)-2(11+10r)=-r+2r equation: 



2(10r-7)-2(11+10r)=-r+2r

We move all terms to the left:

2(10r-7)-2(11+10r)-(-r+2r)=0

We add all the numbers together, and all the variables

2(10r-7)-2(10r+11)-(+r)=0

We multiply parentheses

20r-20r-(+r)-14-22=0

We get rid of parentheses

20r-20r-r-14-22=0

We add all the numbers together, and all the variables

-1r-36=0

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

-r=36

r=36/-1

r=-36

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