-2.3=0.42r

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Solution for -2.3=0.42r equation: 



-2.3=0.42r

We move all terms to the left:

-2.3-(0.42r)=0

We add all the numbers together, and all the variables

-(+0.42r)-2.3=0

We get rid of parentheses

-0.42r-2.3=0

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

-0.42r=2.3

r=2.3/-0.42

r=-5+0.2/0.42

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