9r-9+5=5r+4r-8+4

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Solution for 9r-9+5=5r+4r-8+4 equation: 



9r-9+5=5r+4r-8+4

We move all terms to the left:

9r-9+5-(5r+4r-8+4)=0

We add all the numbers together, and all the variables

9r-(9r-4)-9+5=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

9r-9r+4-4=0

We add all the numbers together, and all the variables

=0

r=0/1

r=0

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