9+r=-9-5r

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Solution for 9+r=-9-5r equation: 



9+r=-9-5r

We move all terms to the left:

9+r-(-9-5r)=0

We add all the numbers together, and all the variables

r-(-5r-9)+9=0

We get rid of parentheses

r+5r+9+9=0

We add all the numbers together, and all the variables

6r+18=0

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

6r=-18

r=-18/6

r=-3

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