Question

(z-2)+(z-1)+z=-3 решите

Answer 1

z - 2 + z + 1 + z = -3

3z = 0

z = 0:3

z = 0

Answer 2

(z-2)+(z-1)+z=-3

z-2+z-1+z=-3

3z=-3+2+1

3z=0

z=0

Ответ: 0