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15 September, 10:34

What is equivalent to

x-2y=4

3x+y=9

+3
Answers (1)
  1. 15 September, 12:31
    0
    x = 22/7

    y = - 3/7

    Step-by-step explanation:

    X = 2y + 4

    3 (2y + 4) + y = 9

    6y + y = 9 - 12

    7y = - 3

    y = -3/7

    By using the first equation we will find the value of X:

    x - 2y = 4 where y = - 3/7

    x - 2 (-3/7) = 4

    x + 6/7 = 4

    x = 4 - 6/7

    x = 22/7
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