-10r-20=-2.

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Solution for -10r-20=-2. equation: 



-10r-20=-2.

We move all terms to the left:

-10r-20-(-2.)=0

We add all the numbers together, and all the variables

-10r-20-(-2)=0

We add all the numbers together, and all the variables

-10r-18=0

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

-10r=18

r=18/-10

r=-1+4/5

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