Question

-x+ 2y + 2z = -24
x + y + z = 48
2x- 6y + 4z = 12
ayudenme xfas​

Answer 1

Respuesta:

(-x+ 2y + 2z = -24) -2(x + y + z = 48)

-x -2x = -24 -96

3x = 120

x= 40

2y + 2z = 16

-6y + 4z = - 68

2(2y + 2z = 16) - (-6y + 4z = - 68)

4y + 6y = 32 + 68

10y = 100

y = 10

z = -2