2r+3r-r-r-2r=19

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Solution for 2r+3r-r-r-2r=19 equation: 



2r+3r-r-r-2r=19

We move all terms to the left:

2r+3r-r-r-2r-(19)=0

We add all the numbers together, and all the variables

r-19=0

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

r=19

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