2(6r+6)-7r=-30-2r

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Solution for 2(6r+6)-7r=-30-2r equation: 



2(6r+6)-7r=-30-2r

We move all terms to the left:

2(6r+6)-7r-(-30-2r)=0

We add all the numbers together, and all the variables

2(6r+6)-7r-(-2r-30)=0

We add all the numbers together, and all the variables

-7r+2(6r+6)-(-2r-30)=0

We multiply parentheses

-7r+12r-(-2r-30)+12=0

We get rid of parentheses

-7r+12r+2r+30+12=0

We add all the numbers together, and all the variables

7r+42=0

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

7r=-42

r=-42/7

r=-6

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