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10 July, 21:11

solve the system using an augmented matrix

-x-3y=-17

2x+6y=-26

show your work

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Answers (1)
  1. 10 July, 22:43
    0
    The answer is 3x+9y=9

    work

    -x-3y=17+2x+6y=26

    +x + x

    -3y=17+3x+6y=26

    +3y + 3y

    17+3x+9y=26

    -17 - 17

    3x+9y=9
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