-9+8r=-73

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Solution for -9+8r=-73 equation: 



-9+8r=-73

We move all terms to the left:

-9+8r-(-73)=0

We add all the numbers together, and all the variables

8r+64=0

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

8r=-64

r=-64/8

r=-8

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