2r+2=15

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Solution for 2r+2=15 equation: 



2r+2=15

We move all terms to the left:

2r+2-(15)=0

We add all the numbers together, and all the variables

2r-13=0

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

2r=13

r=13/2

r=6+1/2

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