Isolate u using division: Which operation should we use to isolate u?u is being divided by 3 in \frac{u}{3} < 3.Multiplication should be used to isolate u.
Solve for u: Solve for u.\frac{u}{3} < 3Multiply both sides by 3 to isolate u.\left(\frac{u}{3}\right) \times 3 < 3 \times 3u < 9
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