9r-7=3-3r+8

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Solution for 9r-7=3-3r+8 equation: 



9r-7=3-3r+8

We move all terms to the left:

9r-7-(3-3r+8)=0

We add all the numbers together, and all the variables

9r-(-3r+11)-7=0

We get rid of parentheses

9r+3r-11-7=0

We add all the numbers together, and all the variables

12r-18=0

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

12r=18

r=18/12

r=1+1/2

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