-7r-3(1-4r)=-12+2r

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Solution for -7r-3(1-4r)=-12+2r equation: 



-7r-3(1-4r)=-12+2r

We move all terms to the left:

-7r-3(1-4r)-(-12+2r)=0

We add all the numbers together, and all the variables

-7r-3(-4r+1)-(2r-12)=0

We multiply parentheses

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

We get rid of parentheses

-7r+12r-2r+12-3=0

We add all the numbers together, and all the variables

3r+9=0

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

3r=-9

r=-9/3

r=-3

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