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27 March, 00:35

5x - 2y = 3, - 5x + 4y = 9 solutions

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Answers (2)
  1. 27 March, 00:47
    0
    5x-2y=3

    -5x+4y=9

    2y = 12

    divide it by 2

    y = 6

    put y in any equation

    5x-2 (6) = 3

    5x-12=3

    5x = 3+12=15

    divide by 5

    x=3

    y = 6
  2. 27 March, 00:50
    0
    (5x - 2y) + (-5x + 4y) = 9 + 3

    -2y + 4y = 12

    2y = 12

    y = 12 : 2

    y = 6
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