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4 September, 17:26

2x+y=5 and x+2y=4

Graph system of equation

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  1. 4 September, 17:40
    0
    2x + 1y = 5 ⇒ 2x + 1y = 5

    1x + 2y = 4 ⇒ 2x + 4y = 8

    -3y = - 3

    -3 - 3

    y = 1

    2x + 1 = 5

    - 1 - 1

    2x = 4

    2 2

    x = 2

    (x, y) = (2, 1)
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