awideman123 awideman123

12-10-2016
Mathematics

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Whats these -4e-9=19 answer

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lilythecookiemonster lilythecookiemonster

12-10-2016

its e=7

-4e-9=19
      +9+9
            28
   -4e=28
    -4x7=28-9=19

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