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7 July, 08:15

Which ordered pair is the solution to y - x = 3 and 2x + y = 9?

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  1. 7 July, 08:36
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    Y-x=3

    2x+y=9

    so solving by multiplying first by 2

    so we get, 2y-2x=6

    adding both eqn now,

    3y=15

    y=5

    so x=2

    so y=5 and x=2!
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