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26 May, 16:47

5 (x - 4) = 7 (2x + 1)

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Answers (2)
  1. 26 May, 18:15
    0
    -3

    Step-by-step explanation:

    5x - 20 = 14x + 7

    5x - 14x = 7 + 20

    - 9x = 27

    x = - 3
  2. 26 May, 18:30
    0
    -3

    Step-by-step explanation:

    5 (x - 4) = 7 (2x + 1)

    5x - 20 = 14x + 7

    5x = 14x + 27

    -9x = 27

    x = - 3

    5 (-3 - 4) = 7 (2 (-3) + 1)

    5 (-7) = 7 (-5)

    -35 = - 35

    So, the value of x is equal to - 3.
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