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16 March, 07:01

Find the value of x in the equation 9 - 4x = 57.

A. - 16.5

B. - 12

C. 12

D. 16.5

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Answers (1)
  1. 16 March, 07:04
    0
    9 - 4x = 57

    first u would take away 9 on both sides

    9-9 - 4x = 57 - 9

    -4x = 48

    then u would divide 4 on both sides

    -4x/4 = 48/4

    -x = 12

    so if negative x (-x) is 12 then positive x will be - 12

    x = - 12 is ur answer
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