0.9r=r-1.5

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Solution for 0.9r=r-1.5 equation: 



0.9r=r-1.5

We move all terms to the left:

0.9r-(r-1.5)=0

We get rid of parentheses

0.9r-r+1.5=0

We add all the numbers together, and all the variables

-0.1r+1.5=0

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

-0.1r=-1.5

r=-1.5/-0.1

r=+15

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