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11 December, 21:58

Solve using substitution y=x+6 and y=-2x-3

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  1. 11 December, 22:07
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    Y=x+6

    y=-2x-3

    => x+6 = - 2x-3

    => x+2x = - 6-3

    => 3x = - 9

    => x = - 3
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