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27 February, 22:53

3x-8y=-50 6y=x solve by substitution

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  1. 27 February, 22:59
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    Step-by-step explanation:

    3x-8y=-50 ... (1)

    6y = x ... (2)

    Substituting x = 6y in (1)

    3 (6y) - 8y = - 50

    18y - 8y = - 50

    10y = - 50

    y = - 50/10

    y = - 5

    Putting y = - 5 in (2)

    6y = x

    6 (-5) = x

    -30 = x

    x = - 30
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