2(3r+7)-(2+r)=4r+12

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Solution for 2(3r+7)-(2+r)=4r+12 equation: 



2(3r+7)-(2+r)=4r+12

We move all terms to the left:

2(3r+7)-(2+r)-(4r+12)=0

We add all the numbers together, and all the variables

2(3r+7)-(r+2)-(4r+12)=0

We multiply parentheses

6r-(r+2)-(4r+12)+14=0

We get rid of parentheses

6r-r-4r-2-12+14=0

We add all the numbers together, and all the variables

r=0

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