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21 November, 18:12

What is another solution of the equation

x + y = 7?

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Answers (2)
  1. 21 November, 18:30
    0
    X=3, y=4

    x=-2, y=9

    Set x equal to anything, then isolate y to get the other number.
  2. 21 November, 19:11
    0
    7+y=x

    7+x=y

    y+x=7

    7=x+y

    7=y+x
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