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25 August, 05:10

Use elination for the systems

-3x-2y=-4

5x+2y=12

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Answers (1)
  1. 25 August, 06:12
    0
    Add the 2 equations

    2x=8

    x=4

    plug x=4 into one of the equations to get y

    5 (4) + 2y=12

    20+2y=12

    2y=-8

    y=-4
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