2r-12=5r+6

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Solution for 2r-12=5r+6 equation: 



2r-12=5r+6

We move all terms to the left:

2r-12-(5r+6)=0

We get rid of parentheses

2r-5r-6-12=0

We add all the numbers together, and all the variables

-3r-18=0

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

-3r=18

r=18/-3

r=-6

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