Solve for k
k=\frac{1}{6}\approx 0.166666667
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6k+9=10
Multiply both sides of the equation by 12, the least common multiple of 2,4,6.
6k=10-9
Subtract 9 from both sides.
6k=1
Subtract 9 from 10 to get 1.
k=\frac{1}{6}
Divide both sides by 6.
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