4.50=0.1r

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Solution for 4.50=0.1r equation: 



4.50=0.1r

We move all terms to the left:

4.50-(0.1r)=0

We add all the numbers together, and all the variables

-(+0.1r)+4.50=0

We add all the numbers together, and all the variables

-(+0.1r)+4.5=0

We get rid of parentheses

-0.1r+4.5=0

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

-0.1r=-4.5

r=-4.5/-0.1

r=+45

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