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26 May, 05:55

Solve simultaneous equation

2x + 4y = 1

3x-5y=7

+3
Answers (1)
  1. 26 May, 06:13
    +1
    2x + 4y = 1 ⇒ 6x + 12y = 3

    3x - 5y = 7 ⇒ 6x - 10y = 14

    22y = 17

    22 22

    y = 17/22

    2x + 4 (17/22) = 1

    2x + 3 1/11 = 1

    -3 1/11 - 3 1/11

    2x = - 2 1/11

    2 2

    x = - 1 1/22

    (x y) = (-1 1/22, 17/22)
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