2r-3(5-r)=12+2r

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Solution for 2r-3(5-r)=12+2r equation: 



2r-3(5-r)=12+2r

We move all terms to the left:

2r-3(5-r)-(12+2r)=0

We add all the numbers together, and all the variables

2r-3(-1r+5)-(2r+12)=0

We multiply parentheses

2r+3r-(2r+12)-15=0

We get rid of parentheses

2r+3r-2r-12-15=0

We add all the numbers together, and all the variables

3r-27=0

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

3r=27

r=27/3

r=9

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