12r=2+13r

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Solution for 12r=2+13r equation: 



12r=2+13r

We move all terms to the left:

12r-(2+13r)=0

We add all the numbers together, and all the variables

12r-(13r+2)=0

We get rid of parentheses

12r-13r-2=0

We add all the numbers together, and all the variables

-1r-2=0

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

-r=2

r=2/-1

r=-2

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