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17 April, 19:49

Y = 2 and 7x - 3y = - 34

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  1. 17 April, 20:00
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    7x - 3y = - 34

    7x - 3 (2) = - 34

    7x - 6 = - 34

    7x - 6 + 6 = - 34 + 6

    7x = - 28

    7x/7 = - 28/7

    x = - 4

    7 (-4) - 3y = - 34

    -28 - 3y = - 34

    -28 + 28 - 3y = - 34 + 28

    -3y = - 6

    -3y/-3 = - 6/-3

    y = 2

    (-4, 2)
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