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25 November, 18:27

2x-4y=8

x+2y=4

How many solutions (x, y) are there to the system of equations above? explain

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Answers (1)
  1. 25 November, 18:57
    0
    Exactly one solution.

    Step-by-step explanation:

    2x-4y=8

    x+2y=4 / *2

    2x-4y=8

    2x+4y=8 (+)

    4x=16

    x=4

    4+2y=4

    y=0

    (x; y) = { (4; 0) }

    Exactly one solution.
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