5r-12=8r-18

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Solution for 5r-12=8r-18 equation: 



5r-12=8r-18

We move all terms to the left:

5r-12-(8r-18)=0

We get rid of parentheses

5r-8r+18-12=0

We add all the numbers together, and all the variables

-3r+6=0

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

-3r=-6

r=-6/-3

r=+2

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