Respuesta :

gmany

[tex]\dfrac{x}{9}\geq\dfrac{3x}{9}\geq3\qquad\text{multiply both sides by 9}\\\\x\geq3x\geq27\\\\x\in\O\to\text{no solution}[/tex]

Why? Because

from x ≥ 3x ≥ 27 we have x > 0. Therefore the inequality x ≥ 3x is false.

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