3r=12.3

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Solution for 3r=12.3 equation: 



3r=12.3

We move all terms to the left:

3r-(12.3)=0

We add all the numbers together, and all the variables

3r-12.3=0

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

3r=12.3

r=12.3/3

r=4+0.3/3

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