3+3r-2=9r+13-3r

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Solution for 3+3r-2=9r+13-3r equation: 



3+3r-2=9r+13-3r

We move all terms to the left:

3+3r-2-(9r+13-3r)=0

We add all the numbers together, and all the variables

3r-(6r+13)+3-2=0

We add all the numbers together, and all the variables

3r-(6r+13)+1=0

We get rid of parentheses

3r-6r-13+1=0

We add all the numbers together, and all the variables

-3r-12=0

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

-3r=12

r=12/-3

r=-4

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