ACT/SAT What is the sum of _ x - y 5 and _ x + y 4 ? A _ x + 9y 20 B _ 9x + y 20 C _ 9x
Chapter 8, Problem 62(choose chapter or problem)
ACT/SAT What is the sum of _ x - y 5 and _ x + y 4 ? A _ x + 9y 20 B _ 9x + y 20 C _ 9x - y 20 D _ x - 9y 20
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