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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

r-2r+5-12=0

We add all the numbers together, and all the variables

-1r-7=0

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

-r=7

r=7/-1

r=-7

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