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1 September, 12:58

Equation P: x+y=8 Equation Q: 2x+5y=24 Which of the following steps can be used to eliminate the x term? A) 2 (x+y=8) B) - 2 (x+y=8) C) - 1 (2x+5y=24) D) - 2 (2x+5y=24

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  1. 1 September, 13:16
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    Step B) so you get:

    -2x-2y=-16

    2x+5y=24

    adding the two together you get:

    0+3y=8

    giving: y=8/3

    and substituting back in the original first equation:

    x+8/3=8 so that x=16/3
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