-3r-9=-4r+2

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Solution for -3r-9=-4r+2 equation: 



-3r-9=-4r+2

We move all terms to the left:

-3r-9-(-4r+2)=0

We get rid of parentheses

-3r+4r-2-9=0

We add all the numbers together, and all the variables

r-11=0

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

r=11

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