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9(2k-3)=-18
We move all terms to the left:
9(2k-3)-(-18)=0
We add all the numbers together, and all the variables
9(2k-3)+18=0
We multiply parentheses
18k-27+18=0
We add all the numbers together, and all the variables
18k-9=0
We move all terms containing k to the left, all other terms to the right
18k=9
k=9/18
k=1/2
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