Solve the triangular system of by back-substitution, y before x. Verify that x times
Chapter 1, Problem 1.3.2(choose chapter or problem)
Solve the triangular system of by back-substitution, y before x. Verify that x times (2,10) plus y times (3,9) equals (1,11). If the right-hand side changes to (4,44), what is the new solution?
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