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1 August, 07:47

2x - 7y = 13

3x + y = 8

+1
Answers (1)
  1. 1 August, 10:09
    0
    A) 2x - 7y = 13

    B) 3x + y = 8

    Multiplying equation B by 7

    B) 21x + 7y = 56 then adding it to A

    A) 2x - 7y = 13

    23x = 69

    x = 3

    y = - 1
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