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Advanced Math
/ Nonlinear equations in one variable and systems of equations in two variables
Difficulty: Medium
The solution to the given system of equations is . What is the value of ?
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Explanation
The correct answer is . In the given system of equations, the second equation is . Subtracting from both sides of this equation yields . In the given system of equations, the first equation is . Substituting for in this equation yields , or . Therefore, the solution to the given system of equations is . Thus, the value of is .