-2.25=1.5r

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Solution for -2.25=1.5r equation: 



-2.25=1.5r

We move all terms to the left:

-2.25-(1.5r)=0

We add all the numbers together, and all the variables

-(+1.5r)-2.25=0

We get rid of parentheses

-1.5r-2.25=0

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

-1.5r=2.25

r=2.25/-1.5

r=-1+0.75/1.5

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