9(2r+1)-3r=4r-6

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Solution for 9(2r+1)-3r=4r-6 equation: 



9(2r+1)-3r=4r-6

We move all terms to the left:

9(2r+1)-3r-(4r-6)=0

We add all the numbers together, and all the variables

-3r+9(2r+1)-(4r-6)=0

We multiply parentheses

-3r+18r-(4r-6)+9=0

We get rid of parentheses

-3r+18r-4r+6+9=0

We add all the numbers together, and all the variables

11r+15=0

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

11r=-15

r=-15/11

r=-1+4/11

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