12r-18=7r-12

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Solution for 12r-18=7r-12 equation: 



12r-18=7r-12

We move all terms to the left:

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

We get rid of parentheses

12r-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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