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31 August, 09:17

If x-2y=0 and 3x + y = 7 what is the value of x

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  1. 31 August, 09:21
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    x=2

    Step-by-step explanation:

    If 3x + y = 7, then y = 7 - 3x.

    Substitute in x - 2y = 0

    So:

    x - 2 (7-3x) = 0

    x-14+6x=0

    7x=14

    x=2
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