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11 May, 19:30

2 х - бу = 2

x + бу = 28

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Answers (1)
  1. 11 May, 20:04
    0
    x = 10

    y = 3

    Step-by-step explanation:

    Given

    2x - 6y = 2

    x + 6y = 28

    Add both equations

    2x + x - 6y + 6y = 2 + 28

    3x = 30

    Divide both sides by 3

    x = 30/3

    x = 10

    Substitute 10 for x in either equations to get y

    Using equation 2, we have

    x + 6y = 28

    10 + 6y = 28

    Subtract 10 from both sides

    10 - 10 + 6y = 28 - 10

    6y = 18

    Divide both sides by by 6

    y = 18/6

    y = 3

    Therefore

    x = 10

    y = 3
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