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13 February, 12:14

Given the equation 2x + 4 = 4x - 2, select the reasoning that correctly solves for x. A. add 2, subtract 2x, then divide by 2. B. add 2, subtract 4x, then divide by - 2. C. subtract 4, subtract 2x, then divide by - 2. D. subtract 4, subtracts 4x, then divide by 2.

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  1. 13 February, 14:23
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    2 x + 4 = 4 x - 2

    2 x + 4 + 2 = 4 x - 2 + 2

    2 x + 6 = 4 x

    2 x - 2 x + 6 = 4 x - 2 x

    6 = 2 x

    6 : 2 = 2 x : 2

    x = 3

    Answer: A) add 2, subtract 2 x, then divide by 2
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