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Example: Solving Basic Absolute Value Equations

When evaluating basic absolute value equations, apply the property of absolute values to determine the solutions. For the equation x=8|x| = 8, setting up the equivalent equations yields x=8x = -8 or x=8x = 8, which can be simplified as x=±8x = \pm 8. If the equation equals a negative number, such as y=6|y| = -6, there is no possible solution because an absolute value always produces a non-negative result. When an equation is set to zero, such as z=0|z| = 0, the only equivalent equation is z=0z = 0 since 0=0-0 = 0, resulting in a single solution.

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Updated 2026-05-02

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