Question

x + my + 3z = 1
2x - y + mz = m
x + my + z = -1

Answer 1

Resposta:

x=

m=

y=

z=1

Explicação passo a passo:

x+my+3z=1

x+my+z=-1 *(-1)

x+my+3z=1

-x-my-z=1

2z=2

z=1

2x-y=0

x=y/2