2(10r-7)-2(1+10r)=-r+2

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Solution for 2(10r-7)-2(1+10r)=-r+2 equation: 



2(10r-7)-2(1+10r)=-r+2

We move all terms to the left:

2(10r-7)-2(1+10r)-(-r+2)=0

We add all the numbers together, and all the variables

2(10r-7)-2(10r+1)-(-1r+2)=0

We multiply parentheses

20r-20r-(-1r+2)-14-2=0

We get rid of parentheses

20r-20r+1r-2-14-2=0

We add all the numbers together, and all the variables

r-18=0

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

r=18

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