12+3r=6+6r

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Solution for 12+3r=6+6r equation: 



12+3r=6+6r

We move all terms to the left:

12+3r-(6+6r)=0

We add all the numbers together, and all the variables

3r-(6r+6)+12=0

We get rid of parentheses

3r-6r-6+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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