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26 September, 17:54

What is the solution to the algebraic equation 7 less than 4 times a number is 21

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Answers (2)
  1. 26 September, 17:59
    0
    4x-7=21

    4x=28

    x=7
  2. 26 September, 18:16
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    21=4x-7

    (add 7 to both sides)

    28=4x

    (divide both sides by 4)

    7=x
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