When solving e x2 + y2 = 13 x2 - y = 7 by the addition method, we can eliminate x2 by
Chapter 10, Problem 5(choose chapter or problem)
When solving e x2 + y2 = 13 x2 - y = 7 by the addition method, we can eliminate x2 by multiplying the second equation by ______________ and then adding the equations. We obtain ______________ , a quadratic equation in y
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