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8 January, 08:33

Y=6xy = 5x + 7 substitution

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  1. 8 January, 09:38
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    Step-by-step explanation:

    hello:

    y=6x ... (*)

    y = 5x + 7 ... (**)

    by (*) put the value of y in (**):

    6x=5x+7

    6x-5x=7

    x=7 but y=6x so : y=42

    the system solution is (7,42)
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