Solve this system of equations

5x+3y+z=49
x-3y+2z=-1
14x-2y+3z=76

x =5, y =6 ,z=6

5x + 3y + z = 49
x - 3y + 2z = -1
14x - 2y + 3z = 76

6x + 3z = 48
2x + z = 16

2x - 6y + 4z = -2
42x - 6y + 9z = 228

40x + 5z = 230
8x + z = 46
2x + z = 16

6x = 30
x = 5
z = 6
y = 6

x = 5; = 6 ; z = 6
Answer