Solve the system x + y = 6, x - y = -2 by the addition method.

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
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ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter9: Solving Quadratic Functions
Section: Chapter Questions
Problem 11CT
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Solve the system x + y = 6, x - y = -2 by the addition method.

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