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26 January, 07:23

Solve the system of equations shown by substitution. y=x-5 5x+2y=4

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Answers (2)
  1. 26 January, 08:11
    0
    x=2, y=-3

    Step-by-step explanation:

    y=x-5 ... (1)

    5x+2y=4 ... (2)

    Let's substitute (1) into (2)

    5x+2 (x-5) = 4

    5x+2x-10=4

    7x-10=4

    Add 10 to both sides

    7x=14

    Divide both sides by 7

    x=2

    Substitute the value for x into (1)

    y=x-5

    y=2-5

    y=-3

    Therefore x is 2, y is-3
  2. 26 January, 10:09
    0
    x = 2, y = - 3

    Step-by-step explanation:

    y = x - 5

    5x + 2y = 4

    5x + 2 (x - 5) = 4

    5x + 2x - 10 = 4

    7x = 14

    x = 2

    y = 2 - 5

    y = - 3
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