0.3r-3=0.2r-1

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Solution for 0.3r-3=0.2r-1 equation: 



0.3r-3=0.2r-1

We move all terms to the left:

0.3r-3-(0.2r-1)=0

We get rid of parentheses

0.3r-0.2r+1-3=0

We add all the numbers together, and all the variables

0.1r-2=0

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

0.1r=2

r=2/0.1

r=20

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