-1.5+(-2r)=-19.5

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Solution for -1.5+(-2r)=-19.5 equation: 



-1.5+(-2r)=-19.5

We move all terms to the left:

-1.5+(-2r)-(-19.5)=0

We add all the numbers together, and all the variables

(-2r)+18=0

We get rid of parentheses

-2r+18=0

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

-2r=-18

r=-18/-2

r=+9

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