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.

Question

Mathematics

Ben Welch

6 February, 06:09

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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Answers (1)

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Eaton · Answer 1

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