Question

Calcule x,y e z, tais que, (2x z x-y 1) - ( 1 7 7 1) = ( 3 2x 4 0)​

Answer 1

Resposta:

2x -1 =3

2x = 4

x= 2

z-7 = 2z

z= -7

(x-y ) -7 =4

(2-y) -7 =4

-5 -y = 5

y= -10