6x+y+2z=6 4x+2y+2z=6 2x+y-2z=0

Jawaban:

4x + 2y + 2z = 6

2x + y - 2z=0 ===> X2 = 4x + 2y - 4z= 0

___________ -

6z = 6

z = 1

6x+y+2(1)=6

4x +2y+2(1)=6 ===> X1,5 = 6x + 3y + 3 = 9

_____________ -

-2y -1 = -3

-2y = -2

y = 1

2x+y+2z=0

2x +1 + 2 = 0

2x = -3

x = -1,5