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26 January, 21:18

3. x + y = 11

Y = x + 3

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Answers (1)
  1. 27 January, 00:01
    0
    x = 2

    Step-by-step explanation:

    3. x + y = 11 (eq 1)

    Y = x + 3 (eq 2)

    sub 2 into 1

    3x + x + 3 = 11

    4x + 3 = 11

    4x = 8

    x = 2
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