616X + 4,224Y = 7,121 B) 1,341X - 4,2169Y = 3,1475X + 4Y + 3Z = 2 4X -5Y - Z = 0

8, - BAI THUC HANH 10 CB C1
BAI THUC HANH 10 CB C1

8,616x + 4,224y = 7,121

 b) 1,341x - 4,2169y = 3,147

5x + 4y + 3z = 2

 

4x -5y - z = 0