Question

Solve the following system of equation:
x + y + z = 3
2x + +3y + z = 6
x - y - z = -3
using gauss elimination method.

Answer 1

Answer:

• If x = 2,y = 1,z = 1
• 1) 2+1+1=3
• If x = 1,y = 1,z = 1
• 2) 2(1)+3(1)+1 = 2+3+1 = 6
• If x = 1,y = 1,z = 3
• 3) 1-1-3 = -3