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1 December, 18:46

3 х + Зу = 8

2 х - у = 5

what is the solution?

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Answers (1)
  1. 1 December, 18:49
    0
    x = 23/9

    y = 1/9

    Step-by-step explanation:

    2x - y + y - 5 = 5 + y - 5

    2x - 5 = y

    3x + 3 (2x - 5) = 8

    3x + 6x - 15 = 8

    9x/9 = 23/9

    x = 23/9

    2x - 5 = y

    2 (23/9) - 5 = y

    46/9 - 5 = y

    1/9 = y
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