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5 April, 09:43

Solve the system using substitution. y = - 6x+54 5y-x+9=0

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  1. 5 April, 13:32
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    Y=-6x+54

    5y-x+9=0

    5 (-6x+54) - x+9=0

    Distribute the 5 to the - 6x and 54.

    -30x+270-x+9=0

    Then simply.

    -31x+279=0

    Subtract 279 from both sides.

    -31x=279

    x=-9
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