To solve this inequality, we can start by isolating the variable by moving all the terms involving u to one side of the inequality and the constant term to the other side.
-3u < -12
To move -3u to the right side, we need to divide both sides of the inequality by -3. However, when dividing or multiplying an inequality by a negative number, the direction of the inequality sign needs to be reversed. So, we have:
u > -12 / -3
Simplifying the right side gives:
u > 4
Therefore, the solution to the inequality -3u < -12 is u > 4.
-3u < with a line - 12
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