9r+6=-16+13+12r

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Solution for 9r+6=-16+13+12r equation: 



9r+6=-16+13+12r

We move all terms to the left:

9r+6-(-16+13+12r)=0

We add all the numbers together, and all the variables

9r-(12r-3)+6=0

We get rid of parentheses

9r-12r+3+6=0

We add all the numbers together, and all the variables

-3r+9=0

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

-3r=-9

r=-9/-3

r=+3

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