Question

3 - 2y + z = 0
X + 5y - z = 0
2x - y = 0

Me ajudem?​

Answer 1

Resposta:

3 - 2y + z = 0

-2y=-3-z

$y = \frac{3}{2} + \frac{1}{2} z$

X + 5y - z = 0

x=-5y+z

2x - y = 0

2x =z

$x = \frac{1}{2} z$