5  7x < 3x  11 7x <  3x  16 {subtracted 5 from both sides}  4x < 16 {added 3x to both sides} x > 4 {divided both sides by 4 and changed the inequality sign} Additional Note:  Whenever you multiply or divide both sides of an inequality, by a negative number, you have to change the inequality sign © Algebra House
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