4.5-1.8r=21.06

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Solution for 4.5-1.8r=21.06 equation: 



4.5-1.8r=21.06

We move all terms to the left:

4.5-1.8r-(21.06)=0

We add all the numbers together, and all the variables

-1.8r-16.56=0

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

-1.8r=16.56

r=16.56/-1.8

r=-9+0.36/1.8

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