x + 3y + z = 10 2x - y + z = 3 3x - 3y + 2z = 3

Penjelasan dengan langkah-langkah:

3x + 9y + 3z = 30. 1 x 3

12y + z = 27. 1' - 3

2x + 6y + 2z = 20. 1 x 2

7y + z = 17. 1" - 2

5y = 10. 4 - 5

y = 2

24 + z = 27

z = 3

x + 6 + 3 = 10

x = 1

(x, y, z) = (1,2,3)