OG详解-OG1 数学1 Q2

Choice C is correct. Subtracting 6 from both sides of the given equation yields 4x =12 , which is the equation given in choice C. Since this equation is equivalent to the given equation, it has the same solution as the given equation.
Choice A is incorrect and may result from conceptual or calculation errors. Choice B is incorrect and may result from conceptual or calculation errors. Choice D is incorrect and may result from conceptual or calculation errors.