1.9=r.3

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Solution for 1.9=r.3 equation: 



1.9=r.3

We move all terms to the left:

1.9-(r.3)=0

We add all the numbers together, and all the variables

-(+r.3)+1.9=0

We get rid of parentheses

-r.3+1.9=0

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

-r.3=-1.9

r=-1.9/1

r=-1.9

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