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DE LA ECUACIÓN (I):
5x + 2y =24
5x = 24 - 2y
.............................(a)
DE LA ECUACIÓN (II)
3x - y = 10
3x = 10 + y
.............................(b)
IGUALAMOS (a) = (b)
72 - 6y = 50 + 5y
22 = 11y
2 = y
REEMPLAZAMOS EN II:
3x - y = 10
3x - 2 = 10
3x = 12
x = 4
ESO ES TODO, SALUDOS.....................