Solve by augmented matrix (GJ)
2x + 3y – 4z = 1
4x + y + 2z = -3
pls help!!
1 answer:
Answer:
3x-y-2z=4. 2x+3y-4z=1
4x-7y-6z=-7. -x+6y+4z=11
- +. +. +. x+9y=12
____________.
-x +6y +4z=11.
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