-3+6(-5-3r)=31-2r

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Solution for -3+6(-5-3r)=31-2r equation: 



-3+6(-5-3r)=31-2r

We move all terms to the left:

-3+6(-5-3r)-(31-2r)=0

We add all the numbers together, and all the variables

6(-3r-5)-(-2r+31)-3=0

We multiply parentheses

-18r-(-2r+31)-30-3=0

We get rid of parentheses

-18r+2r-31-30-3=0

We add all the numbers together, and all the variables

-16r-64=0

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

-16r=64

r=64/-16

r=-4

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