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13 December, 06:46

What is the solution to the system of equations? {5x-2y=-164x-5y=-23

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  1. 13 December, 07:16
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    5x - 2y = - 16 | x 4

    4x - 5y = - 23 | x 5

    20x - 8y - 20x + 25 y = - 64 - ( - 115)

    25y - 8y = 115 - 64

    17y = 51

    y = 51 : 17

    y = 3

    5x - 2*3 = - 16

    5x - 6 = - 16

    5x = - 16 + 6

    5x = - 10

    x = - 10 : 5

    x = - 2
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