Question

am nevoie urgent ex 2​

Answer 1

Răspuns:

Explicație pas cu pas:

y = 1,5x/3 = 0,5x = 5x/10 = x/2

z = 2x/3

x + y + z = -13

x + x/2 + 2x/3 = -13

6x/6 + 3x/6 + 4x/6 = -13

13x/6 = -13

x = -13*6/13 = -6

y = -6/2 = -3

z = 2*(-6)/3 = -12/3 = -4