In Exercises 49--50, solve e.ach system for x andy, expressing either l'a/ue in terms of
Chapter 5, Problem 49(choose chapter or problem)
In Exercises 49--50, solve e.ach system for x andy, expressing either l'a/ue in terms of a or b. if mxessmy. Assrtme thm a # 0 and b F 0. 5ax + 4y - 17 ax + 7y - 22
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