Question

solve this system of equations:
4x+y+z=4,
x+4y-2z=4,
3x+2y-4z=6
​

Answer 1

Answer:

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Answer 2

Answer : x=1,y=1/2,z=-1/2

Step by step explanation:

First equation can be written as:

Z=4-y-4x

Applying z in equation 2, we get,

3x+2y=4....(1)

Applying z in equation 3, we get,

19x+6y=22....(2)

By solving 1&2

We get x=1,y=1/2,z=-1/2