3r+18=5r+12

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



3r+18=5r+12

We move all terms to the left:

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

We get rid of parentheses

3r-5r-12+18=0

We add all the numbers together, and all the variables

-2r+6=0

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

-2r=-6

r=-6/-2

r=+3

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