-9(r-88)+6=-21

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Solution for -9(r-88)+6=-21 equation: 



-9(r-88)+6=-21

We move all terms to the left:

-9(r-88)+6-(-21)=0

We add all the numbers together, and all the variables

-9(r-88)+27=0

We multiply parentheses

-9r+792+27=0

We add all the numbers together, and all the variables

-9r+819=0

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

-9r=-819

r=-819/-9

r=+91

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