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18 February, 07:30

How to solve this?

-n+4+21n=9

+2
Answers (2)
  1. 18 February, 09:05
    0
    The answer is 1/4

    Step-by-step explanation:

    move all terms with variables to one side and you get this : 20n=5

    divide the variable side by 20 so you are left with the variable by itself. then do the same to the other side. 5/20 is 1/4
  2. 18 February, 10:20
    0
    20n+4=9

    20n=9-4

    20n=5

    N=5/20

    N=1/4
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