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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 positive numbers , , and . Which equation correctly expresses in terms of and ?
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Explanation
Choice A is correct. Adding to each side of the given equation yields .
Choice B is incorrect. This equation is equivalent to , not .
Choice C is incorrect. This equation is equivalent to , not .
Choice D is incorrect. This equation is equivalent to , not .