Math, asked by Aman8457, 10 months ago

Tolong bantuin 2x + 3y - 4z = 1
3x - y - 2z = 4
4x - 7y - 6z = -7

Answers

Answered by kabal61

1

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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