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Advanced Math
/ Nonlinear equations in one variable and systems of equations in two variables
Difficulty: Easy
Which value is a solution to the given equation?
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Explanation
Choice B is correct. Subtracting from each side of the given equation yields . By the definition of absolute value, if , then or . Of the given choices, is a solution to the given equation.
Choice A is incorrect. This is the quotient, not the difference, of and .
Choice C is incorrect. This is the sum, not the difference, of and .
Choice D is incorrect and may result from conceptual or calculation errors.