QUIEN ME AYUDA AGHH, ES URGENTE
{6x — 5у = -9 |
{4х + Зу = 13
{6x — 5у = -9 |
{4х + Зу = 13
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Respuesta:
1)0
2)15 gracias por la invitación corona porfa
Verified answer
Respuesta:
S = {(1, 3)}
Explicación paso a paso:
[tex]\left \{ {{6x-5y=-9}~~(3) \atop {4x+3y=13}~~~(5)} \right. \\\\\left \{ {{18x-15y=-27} \atop {20x+15y=~65}} \right. \\\\ agregar~ ambos~ miembros\\\\38x=38\\\\x=\frac{38}{38}\\\\x=1 \\\\De~4x+3y=13\\\\4.1+3y=13\\\\3y=13-4\\\\3y=9\\\\y=\frac{9}{3}\\\\y=3 \\\\S=\{(1,3)\}[/tex]