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25 November, 09:31

Solve for x. 7 (x + 1) = 21

x = 2

x = 20/7

x = 22/7

x = 4

+1
Answers (2)
  1. 25 November, 09:49
    0
    7x+7=21

    -7 - 7

    7x=14

    divide 7 on both sides

    x=2
  2. 25 November, 09:58
    0
    X = 2 because 7x+7=21, - 7 and 7x=14
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