7. Systems of Equations & Matrices
Two Variable Systems of Linear Equations
3:13 minutes
Problem 49
Textbook Question
Textbook QuestionIn Exercises 49–50, solve each system for x and y, expressing either value in terms of a or b, if necessary. Assume that a ≠ 0, b ≠ 0 5ax + 4y = 17 ax + 7y = 22
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