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10 April, 11:46

1/4x+1/5x=81 what does x=

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Answers (2)
  1. 10 April, 14:08
    0
    Step-by-step explanation:

    here,

    1/4x+1/5x=81

    or, 1+1/4x+5x=81

    or, 2/9x=81

    or, 2/x=81/9

    or, 2/x=9

    or, x=9*2

    so, x=18
  2. 10 April, 15:26
    0
    x = 180

    Step-by-step explanation:

    plug it in a calculator like 1/4x + 1/5x = 81 then go down till y o uget 81 81
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