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30 April, 04:20

8x - 8 = 7x + 4

x = 12

How do they get 12?

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Answers (2)
  1. 30 April, 07:54
    0
    By simplifying both sides of the equation then isolating the variable
  2. 30 April, 07:55
    0
    8x-8=7x+4

    -7x - 7x

    x-8=4

    +8 + 8

    x = 12

    you put the like variables together and then try to isolate the variable
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