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9 July, 03:26

1. Which equation is equivalent to the equation 6x + 9 = 12?

A. x + 9 = 6

B. 2x + 3 = 4

C. 3x + 9 = 6

D. 6x + 12 = 9

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Answers (2)
  1. 9 July, 04:27
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    Step-by-step explanation:

    I've already answered this question.
  2. 9 July, 06:01
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    The answer is B. You first have to solve for x. First you subtract 9 from both sides and get

    6x = 3. Then divide both sides by 6 and you'll get x = 1/2. In each answer you substitute 1/2 for x. You'll see that in B, 2x+3 = 4, if you substitute in 1/2, you get 2 (1/2) + 3 = 4, which equals 1+3=4, which is true.
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