Solve for k
k = \frac{15}{2} = 7\frac{1}{2} = 7.5
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8k=18+42
Add 42 to both sides.
8k=60
Add 18 and 42 to get 60.
k=\frac{60}{8}
Divide both sides by 8.
k=\frac{15}{2}
Reduce the fraction \frac{60}{8} to lowest terms by extracting and canceling out 4.
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