3x=11-4y+4zx=11-4y+4z/3x=11-4*2+4*0/3
x=11-8+0/3
x=3/3
x=1
2(11-4y+4z/3)+3y-2z=8 7(11-4y+4z/3)+2y-5z=11
22-8y+8z/3 +3y-2z=8/*3 77-28y+28z/3 +2y-5z=11/*3
22-8y+8z+9y-6z=24 77-28y+28z+6y-15z=33
22+y+2z=24 77-22y+13z=33
y+2z=2 -22y+13z=-44
y+2z=2
-22y+13z=-44 y=2-2z
y=2-2*0
y=2
-22(2-2z)+13z=-44
-44+44z+13z=-44
57z=0/57
z=0
X=1 Y=2 Z=0
