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28 March, 17:06

Write a rule for solving equations like x - 4 = 7

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Answers (2)
  1. 28 March, 17:21
    0
    You need to get x by itself. To do so you need to perform the opposite operations that are presented in the equation. Also, the operations furthest from the x should be done first.

    In this case, there is only one operation (subtraction). To get x by itself we need to ADD 4 to both sides.

    x = 11
  2. 28 March, 17:31
    0
    Subtract the total from the factor that you know which is 4. so do 7 - 4 which equals 3. x=3
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