-9r+3=-8r

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Solution for -9r+3=-8r equation: 



-9r+3=-8r

We move all terms to the left:

-9r+3-(-8r)=0

We get rid of parentheses

-9r+8r+3=0

We add all the numbers together, and all the variables

-1r+3=0

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

-r=-3

r=-3/-1

r=+3

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