-2r-3-6r=19

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Solution for -2r-3-6r=19 equation: 



-2r-3-6r=19

We move all terms to the left:

-2r-3-6r-(19)=0

We add all the numbers together, and all the variables

-8r-22=0

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

-8r=22

r=22/-8

r=-2+3/4

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