-9r-4=-8

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Solution for -9r-4=-8 equation: 



-9r-4=-8

We move all terms to the left:

-9r-4-(-8)=0

We add all the numbers together, and all the variables

-9r+4=0

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

-9r=-4

r=-4/-9

r=4/9

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