Respuesta:
X = 24
Explicación paso a paso:
3x + 2x – 9 = 4x + 15
5x - 4x = 15 + 9
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Respuesta:
X = 24
Explicación paso a paso:
3x + 2x – 9 = 4x + 15
5x - 4x = 15 + 9
X = 24