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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(2(r-12)), so:

2(r-12)

We multiply parentheses

2r-24

Back to the equation:

-(2r-24)



We get rid of parentheses

4r-2r+24+12=0

We add all the numbers together, and all the variables

2r+36=0

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

2r=-36

r=-36/2

r=-18

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