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21 July, 20:29

Solve the system of equations. y = 6x - 27 y = 4x - 17

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Answers (2)
  1. 21 July, 20:58
    0
    Y=6x-27 ... (1)

    y=4x-17 ... (2)

    By comparison

    6x-27=4x-17

    => 2x=10 = > x=5

    Substitute x=5 into (1)

    y=6 (5) - 27=3

    Check:

    y=4 (5) - 17=3 as well.
  2. 21 July, 23:49
    0
    Y=6x-27

    y=4x-17

    Subtracting the two equations, we get;

    0=2x-10

    2x=10

    x=5

    Replacing for x in equation 2;

    y=4 (5) - 17

    y=20-17

    y=3
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