GRE Quant: Linear Inequalities — Flip the Sign When Dividing by Negative

Learn how to solve GRE linear inequalities and remember when to flip the inequality sign — a simple rule most students forget on test day.

Walk through a worked example: solving -3x + 7 less than 19 step by step. See why dividing by a negative reverses the sign and how missing this one step leads to the wrong answer.

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