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college algebra

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12x+4y+2z=-7 (1)
3x-12y+6z=-4 (2)
9x-16y+4z=-3 (3)
solve the system.
show steps and answers i tried this problem really difficult

  • college algebra -

    And exactly what didn't you like about the answer I gave you a few minutes ago to this question?

  • college algebra -

    thank you.

  • college algebra -

    you are welcome, let me know what answers you got

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