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Solve for uu.\newline3(u+1)123(u + 1) \geq 12

Full solution

Q. Solve for uu.\newline3(u+1)123(u + 1) \geq 12
  1. Distribute 33: Distribute the 33 across the parentheses. \newline3(u+1)123(u + 1) \geq 12 \newline3u+3123u + 3 \geq 12
  2. Subtract to isolate: Subtract 33 from both sides to isolate the term with the variable uu. \newline3u+331233u + 3 - 3 \geq 12 - 3 \newline3u93u \geq 9
  3. Divide to solve: Divide both sides by 33 to solve for uu.3u393\frac{3u}{3} \geq \frac{9}{3} u3u \geq 3

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