2r+1=-19

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Solution for 2r+1=-19 equation: 



2r+1=-19

We move all terms to the left:

2r+1-(-19)=0

We add all the numbers together, and all the variables

2r+20=0

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

2r=-20

r=-20/2

r=-10

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