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0.33(9k+12)=15
We move all terms to the left:
0.33(9k+12)-(15)=0
We multiply parentheses
2.97k+3.96-15=0
We add all the numbers together, and all the variables
2.97k-11.04=0
We move all terms containing k to the left, all other terms to the right
2.97k=11.04
k=11.04/2.97
k=3+1/1.3943661971831
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