Frequently Asked Questions
What is the elimination method?
Scale one or both equations so that adding or subtracting them cancels one variable, leaving a single equation in the remaining variable. Solve, then back-substitute.
Elimination versus substitution?
Two equivalent strategies for the same system. Elimination is often quicker with integer coefficients; substitution is natural when one equation already isolates a variable.
How is it related to row reduction?
Row reduction (Gauss-Jordan) is the matrix form of the elimination method extended to any number of equations and variables.
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