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Advanced Math
/ Nonlinear equations in one variable and systems of equations in two variables
Difficulty: Hard
If x is a solution to the given equation, which of the following is a possible value of 
?
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Explanation
Choice A is correct. The given equation can be rewritten as 
. Multiplying both sides of this equation by 
yields 
. Dividing both sides of this equation by 4 yields 
. Taking the square root of both sides of this equation yields 
or 
. Therefore, a possible value of is 
.
Choices B, C, and D are incorrect and may result from computational or conceptual errors.