2r+12=23

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Solution for 2r+12=23 equation: 



2r+12=23

We move all terms to the left:

2r+12-(23)=0

We add all the numbers together, and all the variables

2r-11=0

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

2r=11

r=11/2

r=5+1/2

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