9(r+-6)=-99

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Solution for 9(r+-6)=-99 equation: 



9(r+-6)=-99

We move all terms to the left:

9(r+-6)-(-99)=0

We add all the numbers together, and all the variables

9(r-6)-(-99)=0

We add all the numbers together, and all the variables

9(r-6)+99=0

We multiply parentheses

9r-54+99=0

We add all the numbers together, and all the variables

9r+45=0

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

9r=-45

r=-45/9

r=-5

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