Respuesta:
x= 31/23 y= 55/23
Explicación paso a paso:
5x-7y= -10 1) 5x - 7(4x-3)=-10 2) y=4(31/23) - 3
y= 4x-3 5x-28x + 21 = -10 y= 124/23 - 3
31= 23x y= 55/23
31/23= x
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Respuesta:
x= 31/23 y= 55/23
Explicación paso a paso:
5x-7y= -10 1) 5x - 7(4x-3)=-10 2) y=4(31/23) - 3
y= 4x-3 5x-28x + 21 = -10 y= 124/23 - 3
31= 23x y= 55/23
31/23= x