3x = 12
−3x + y = −6
The solution to the given system of equations is (x, y). What is the value of y?

Question

3x = 12 −3x + y = −6 The solution to the given system of equations is (x, y). What is the value of y?

Accepted Answer

Choice B is correct. Adding the second equation in the given system to the first equation in the given system yields 3x + (−3x + y) = 12 + (−6), which is equivalent to y = 6. Choice A is incorrect and may result from conceptual or calculation errors. Choice C is incorrect and may result from conceptual or calculation errors. Choice D is incorrect and may result from conceptual or calculation errors.

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