Solve for w
w\leq -5
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\frac{15}{-3}\geq w
Divide both sides by -3. Since -3 is negative, the inequality direction is changed.
-5\geq w
Divide 15 by -3 to get -5.
w\leq -5
Swap sides so that all variable terms are on the left hand side. This changes the sign direction.
Examples
Quadratic equation
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Matrix
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