3 x - y =-6
2 x + 3 y =7
2 x + 3 y =7
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Respuesta:
X=-1
Y=3
Explicación paso a paso:
Y=3x + 6
Reemplazando
2x + 3 (3x+6)=7
2x+9x+18 =7
11x = - 11
X=-1
Y=3(-1) +6
Y=-3+6
Y=3