Solve for x y and z from Use any method x2y3z 7 2xyz 4 3x2y
Solve for x, y and z from (Use any method) x-2y+3z =7 2x+y+z = 4 -3x+2y-2z = -10
Solution
x-2y+3z=7
2x + y+z=4
-3x +2y-2z=-10
Adding first and third equation
x-2y+3z -3x +2y -2z=7-10
-2x +z=-3
Multiply second by 2 and add it to equation first, we get
x-2y+3z +4x +2y+2z=7+8
5x+5z=15
x + z=3
-2x +z=-3
subtracting both equations, we get
3x=6
x=2
-4+z=-3
z=1
2x + y +z=4
4 + y+1=4
y=-1
