Solve for k
k<-3
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k+9<\frac{12}{2}
Divide both sides by 2. Since 2 is positive, the inequality direction remains the same.
k+9<6
Divide 12 by 2 to get 6.
k<6-9
Subtract 9 from both sides.
k<-3
Subtract 9 from 6 to get -3.
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