1-3r=9-2r

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Solution for 1-3r=9-2r equation: 



1-3r=9-2r

We move all terms to the left:

1-3r-(9-2r)=0

We add all the numbers together, and all the variables

-3r-(-2r+9)+1=0

We get rid of parentheses

-3r+2r-9+1=0

We add all the numbers together, and all the variables

-1r-8=0

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

-r=8

r=8/-1

r=-8

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