2r+5+9r=9r-1

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Solution for 2r+5+9r=9r-1 equation: 



2r+5+9r=9r-1

We move all terms to the left:

2r+5+9r-(9r-1)=0

We add all the numbers together, and all the variables

11r-(9r-1)+5=0

We get rid of parentheses

11r-9r+1+5=0

We add all the numbers together, and all the variables

2r+6=0

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

2r=-6

r=-6/2

r=-3

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