3r+6=-8r-9

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Solution for 3r+6=-8r-9 equation: 



3r+6=-8r-9

We move all terms to the left:

3r+6-(-8r-9)=0

We get rid of parentheses

3r+8r+9+6=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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