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26 August, 12:51

Solve the system equation below

3x + y = - 7

-2x + 4y = 0

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Answers (1)
  1. 26 August, 12:53
    0
    1. 3x + y = - 7

    2. - 2x + 4y = 0

    1. y=-7-3x

    2. - 2x+4 (7-3x) = 0

    2. - 2x+28-12x=0

    2. - 14x=-28

    2. x=2

    1. y = - 7-3*2

    1. y = - 13
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