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10 April, 20:31

2x + y = 5

x + y = 4

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Answers (1)
  1. 10 April, 21:07
    0
    2x + y = 5 and x + y = 4

    If you need to find x and y, then you can rearrange the equations like so:

    x = 4 - y

    lets plug this into the first equation:

    2 (4 - y) + y = 5

    8 - 2y + y = 5

    8 - 1y = 5

    -1y = - 3

    y = 3

    So now that we have y, we can plug it into either equation to get x:

    x + 3 = 4

    x = 1
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