Solve each system. To do so, you may want to let a = 1 x
Chapter 4, Problem 4.1.93(choose chapter or problem)
Solve each system. To do so, you may want to let a = 1 x (if x is in the denominator) and let b = 1 y (if y is in the denominator.)1x + y = 123x - y = 4
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