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21 January, 07:47

Three more than a certain number is

18 less than twice the number.

What is the number?

+4
Answers (2)
  1. 21 January, 10:25
    0
    Then number is 21

    Step-by-step explanation:

    a+3=2a-18

    Collect like terms we have

    2a-a=3+18

    a=21
  2. 21 January, 11:29
    0
    i don't have an answer sorry.
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