3r+9/12=2r-18/2

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Solution for 3r+9/12=2r-18/2 equation: 



3r+9/12=2r-18/2

We move all terms to the left:

3r+9/12-(2r-18/2)=0

We add all the numbers together, and all the variables

3r-(2r-9)+9/12=0

We get rid of parentheses

3r-2r+9+9/12=0

We multiply all the terms by the denominator


3r*12-2r*12+9+9*12=0

We add all the numbers together, and all the variables

3r*12-2r*12+117=0

Wy multiply elements

36r-24r+117=0

We add all the numbers together, and all the variables

12r+117=0

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

12r=-117

r=-117/12

r=-9+3/4

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