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20 September, 17:55

What is the solution to the system of equations? 5x+4y=8 and x-2y=10

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  1. 20 September, 18:10
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    5x + 4y = 8 ⇒ 5x + 4y = 8

    1x - 2y = 10 ⇒ 5x - 10y = 50

    14y = - 42

    14 14

    y = - 3

    5x + 4 (-3) = 8

    5x - 12 = 8

    + 12 + 12

    5x = 20

    5 5

    x = 4

    (x, y) = (4, - 3)
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