0.5r-3=12-6

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Solution for 0.5r-3=12-6 equation: 



0.5r-3=12-6

We move all terms to the left:

0.5r-3-(12-6)=0

We add all the numbers together, and all the variables

0.5r-3-6=0

We add all the numbers together, and all the variables

0.5r-9=0

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

0.5r=9

r=9/0.5

r=18

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