9r/2=18

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Solution for 9r/2=18 equation: 



9r/2=18

We move all terms to the left:

9r/2-(18)=0

We multiply all the terms by the denominator


9r-18*2=0

We add all the numbers together, and all the variables

9r-36=0

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

9r=36

r=36/9

r=4

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