2r-4r-5=11

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Solution for 2r-4r-5=11 equation: 



2r-4r-5=11

We move all terms to the left:

2r-4r-5-(11)=0

We add all the numbers together, and all the variables

-2r-16=0

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

-2r=16

r=16/-2

r=-8

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