-2(3r-10)+8r=7r+20+7r

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Solution for -2(3r-10)+8r=7r+20+7r equation: 



-2(3r-10)+8r=7r+20+7r

We move all terms to the left:

-2(3r-10)+8r-(7r+20+7r)=0

We add all the numbers together, and all the variables

-2(3r-10)+8r-(14r+20)=0

We add all the numbers together, and all the variables

8r-2(3r-10)-(14r+20)=0

We multiply parentheses

8r-6r-(14r+20)+20=0

We get rid of parentheses

8r-6r-14r-20+20=0

We add all the numbers together, and all the variables

-12r=0

r=0/-12

r=0

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