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6 August, 04:04

A number x increased by 9 is less than 21.

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Answers (1)
  1. 6 August, 05:27
    0
    the answer might be 12

    Step-by-step explanation:

    we solve it-

    = x+9<21

    = x-9+9<21-9

    or, x=12
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