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24 January, 21:20

Given: x + y = 10.

If x = - 21, what is y?

Type a numerical answer in the space provided. Do not type spaces in your answer.

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Answers (2)
  1. 24 January, 21:46
    0
    y would be equal to 31
  2. 24 January, 21:49
    0
    y=31

    let's plug in x

    -21+y = 10

    add 21 to both sides

    y=31
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