-1-2r-11=11

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Solution for -1-2r-11=11 equation: 



-1-2r-11=11

We move all terms to the left:

-1-2r-11-(11)=0

We add all the numbers together, and all the variables

-2r-23=0

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

-2r=23

r=23/-2

r=-11+1/2

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