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For the equation 3x + 6 = 6x, what is the solution?

  1. -6

  2. 0

  3. 1

  4. 3

The correct answer is: 1

The other options may seem like potential solutions, but they do not satisfy the given equation. - Choice A is incorrect because if x = -6, the equation turns into -12 = -36 which is not true. - Choice B is incorrect because if x = 0, the equation turns into 6 = 0 which is not true. - Choice D is incorrect because if x = 3, the equation turns into 15 = 18 which is not true. Therefore, the only solution that satisfies the given equation is x = 1.