Respuesta:
2x - 4 + 3x - 9 + x = 131
6x - 13 = 131
6x = 144
x = 24
SUERTE
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Respuesta:
2x - 4 + 3x - 9 + x = 131
6x - 13 = 131
6x = 144
x = 24
SUERTE