9-r/2=-2

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



9-r/2=-2

We move all terms to the left:

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

We add all the numbers together, and all the variables

-r/2+11=0

We multiply all the terms by the denominator


-r+11*2=0

We add all the numbers together, and all the variables

-1r+22=0

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

-r=-22

r=-22/-1

r=+22

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