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15 February, 00:51

2x - 5y=0

5x - y = - 23

+2
Answers (1)
  1. 15 February, 03:47
    0
    x=-5

    y=-2

    Step-by-step explanation:

    -5 (2x - 5y=0) " - 10x+25y=0

    2 (5x - y = - 23) " 10x-2y=-46

    = 23y = - 46

    divide 23 on both sides to get y=-2

    then plug in - 2 for y " 2x-5 (-2) = 0

    multiply - 5 and - 2 to get 2x+10=0 then subtract 10 to get 2x=-10 finally divide both sides by 2 to get x=-5
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