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Advanced Math
/ Nonlinear equations in one variable and systems of equations in two variables
Difficulty: Easy
The given equation relates the variables , , and . Which equation correctly expresses in terms of and ?
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Explanation
Choice D is correct. Subtracting from both sides of the given equation yields . Dividing both sides of this equation by yields . Therefore, the equation correctly expresses in terms of and .
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 C is incorrect and may result from conceptual or calculation errors.