3r+18-5r=12+3r-10r

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Solution for 3r+18-5r=12+3r-10r equation: 



3r+18-5r=12+3r-10r

We move all terms to the left:

3r+18-5r-(12+3r-10r)=0

We add all the numbers together, and all the variables

3r-5r-(-7r+12)+18=0

We add all the numbers together, and all the variables

-2r-(-7r+12)+18=0

We get rid of parentheses

-2r+7r-12+18=0

We add all the numbers together, and all the variables

5r+6=0

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

5r=-6

r=-6/5

r=-1+1/5

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