2(9r+1)=1

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Solution for 2(9r+1)=1 equation: 



2(9r+1)=1

We move all terms to the left:

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

We multiply parentheses

18r+2-1=0

We add all the numbers together, and all the variables

18r+1=0

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

18r=-1

r=-1/18

r=-1/18

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