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22 May, 16:01

Which of the following would you add to each side of the equation x - 7 = 12 + 3 to get the variable by itself?

A. 9

B. 3

C. 12

D. 7

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Answers (2)
  1. 22 May, 18:32
    0
    D. 7

    Step-by-step explanation:

    Since you do the whole process of cancelling
  2. 22 May, 19:40
    0
    D. 7 because you need to cancel both sides
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