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8 August, 18:07

Solve the system X plus 3Y equals 5X plus 4Y equals six

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  1. 8 August, 18:16
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    x+3y = 6

    or, x = 6-3y ... (1)

    3x+5y = 6 ... (2)

    Substituting x = 6-3y in equation (2),

    3 (6 - 3 y) + 5 y = 6

    or, 18 - 9y + 5y=6

    or, y = 3

    x = 6 - 3y = 6 - 3.-3 = - 3
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