bantu saya mengerjakan soal ini ya 4x + 3y - 2z =1 2x - y +z =3 x + 2y + 3z =-1 dan 3/x - 2/y + 1/z =5 1/x - 5/y + 3/z =2 2/x + 1/y +1/z =12

4x + 3y - 2z = 1 | × 1
2x - y + z = 3    | × 2
4x + 3y - 2z = 1
4x - 2y + 2z = 6 [tex] _{+} [/tex]
8x + y = 7 ... (1)

4x + 3y - 2z = 1 | × 3
x + 2y + 3z = -1 | × 2
12x + 9y - 6z = 3
2x + 4y + 6z = -2 [tex] _{+} [/tex]
14x + 13y = 1 ... (2)

8x + y = 7      | × 13
14x + 13y = 1 | × 1 
104x + 13y = 91
14x + 13y = 1  
90x = 90
x = 1

8x + y = 7
8 + y = 7
y = 7 - 8 = -1