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1) 5x - 6y = - 2 (8)
2) 3x + 8y = 80 (6)
40x - 48y = - 16
18x + 48y = 480
-------------------------
58x + 0y = 464
58x = 464
x = 464/58
x = 8
El valor de x lo reemplazo en ecuación 2
3x + 8y = 80
3 (8) + 8y = 80
24 + 8y = 80
8y = 80 - 24
8y = 56
y = 56/8
y = 7
Solución :
x = 8
y = 7