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MathematicsMathematics
14 November, 06:27

3x + 4y = 2

2x + 4y = 8

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Answers (1)
  1. 14 November, 08:10
    0
    We see that both equations have 4y in them. Subtracting the second equation from the first equation, we get (3x - 2x) + (4y-4y) = 2 - 8, x = - 6

    Plugging x = - 6 into any equation, we see that our answer is 18 + 4y = 2, 4y = 2 - 18 = - 16, y = - 4.

    Our answer is x = - 6, y = - 4
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