∣ x ∣ = − 15 F A L SE x ∈ \O b ec a u se ∣ x ∣ ≥ 0 f or e v ery x ∈ R .
The equation ∣ x ∣ = − 15 has no solution since the absolute value is always non-negative and cannot equal a negative number. Therefore, this equation is impossible in the realm of real numbers.
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