Question 908064: X+2y=-6
Y+2z=11
2x+z=16
Please solve for x, y, and z. Thank you.
Answer by richwmiller(17219)   (Show Source):
You can put this solution on YOUR website!
X is not the same as x
Y is not the same as y
(4,-5,8)
x+2y+0z=-6,
0x+y+2z=11,
2x+0y+z=16
y=11-2z
x=-6-2y
z=16-2x
x=-6-2y
2x+0y+z=16
2(-6-2y)+z=16
-12-4y+z=16
-4y+z=28
-4(11-2z)+z=28
-44+8z+z=28
9z=72
z=8
y=11-2z
y=11-(2*8)
y=11-16
y=-5
2x+z=16
2x+8=16
2x=8
x=4
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