Respuesta:
Explicación paso a paso:
2x+4y = 10 despejo x = 10-4y/2 (ec. 1)
x+3y = 7 despejo x = 7- 3y (ec. 2)
igualando (1) y (2)
[tex]\frac{10-4y}{2} =7-3y[/tex]
10-4y = 2*(7-3y) = 14- 6y
10-14 = -6y + 4y
-4 = -2y
y = 2
reemplazo en (2) para hallar x:
x = 7 - 3*2 = 1
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Respuesta:
Explicación paso a paso:
2x+4y = 10 despejo x = 10-4y/2 (ec. 1)
x+3y = 7 despejo x = 7- 3y (ec. 2)
igualando (1) y (2)
[tex]\frac{10-4y}{2} =7-3y[/tex]
10-4y = 2*(7-3y) = 14- 6y
10-14 = -6y + 4y
-4 = -2y
y = 2
reemplazo en (2) para hallar x:
x = 7 - 3*2 = 1