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9 January, 08:00

If 18 + 3 = n-7 then what is n

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Answers (2)
  1. 9 January, 11:18
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    1. Simplify 18 + 3 to 21. 21 = n - 7

    2. Add 7 to both sides. 21 + 7 = n

    3. Simplify 21 + 7 to 28. 28 = n

    4. Switch sides. n = 28
  2. 9 January, 11:26
    0
    28

    Step-by-step explanation:

    18 + 3 = 21

    28 - 7 = 21
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