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16 April, 13:26

X + 2y = 13

-x + y = 5

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Answers (1)
  1. 16 April, 13:43
    0
    x = 1; y = 6

    Step-by-step explanation:

    x + 2y = 13

    -x + y = 5

    Add the equations to eliminate x.

    3y = 18

    Divide both sides by 3.

    y = 6

    Now substitute y with 6 in the first equation.

    x + 2 (6) = 13

    x + 12 = 13

    Subtract 12 from both sides.

    x = 1

    Answer: x = 1; y = 6
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