A
B
C
D
Explanation
Correct answer: A.
Choice A is correct. Subtracting from each side of the given equation results in . Dividing each side of this equation by results in .
Desmos solution:
Enter in Desmos:
Reviewed and rewritten by CookSAT
Why the other choices are wrong
Choice B
Choice B is incorrect and may result from conceptual or calculation errors.
Choice C
Choice C is incorrect and may result from conceptual or calculation errors.
Choice D
Choice D is incorrect and may result from conceptual or calculation errors.