r/9+2=-1

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Solution for r/9+2=-1 equation: 



r/9+2=-1

We move all terms to the left:

r/9+2-(-1)=0

We add all the numbers together, and all the variables

r/9+3=0

We multiply all the terms by the denominator


r+3*9=0

We add all the numbers together, and all the variables

r+27=0

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

r=-27

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