Question

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.

Answer 1

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

Answer 2

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