Example

Example: Solving and Graphing 25x32 - 5x \leq -3 or 5+2x35 + 2x \leq 3

To solve the compound inequality 25x32 - 5x \leq -3 or 5+2x35 + 2x \leq 3, evaluate each inequality separately. For the first inequality, subtracting 22 yields 5x5-5x \leq -5, and dividing by 5-5 (reversing the inequality sign) gives x1x \geq 1. For the second inequality, subtracting 55 yields 2x22x \leq -2, and dividing by 22 gives x1x \leq -1. Graphing both results demonstrates that the union consists of two distinct intervals: numbers less than or equal to 1-1 and numbers greater than or equal to 11. In interval notation, this combined solution is written as (,1][1,)(-\infty, -1] \cup [1, \infty).

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Updated 2026-06-29

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