2r+3=-15

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Solution for 2r+3=-15 equation: 



2r+3=-15

We move all terms to the left:

2r+3-(-15)=0

We add all the numbers together, and all the variables

2r+18=0

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

2r=-18

r=-18/2

r=-9

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