-9-r=-9-5r

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Solution for -9-r=-9-5r equation: 



-9-r=-9-5r

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-1r-(-5r-9)-9=0

We get rid of parentheses

-1r+5r+9-9=0

We add all the numbers together, and all the variables

4r=0

r=0/4

r=0

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