DETAILSPOOLE LINEAR ALGEBRA 4 2.2.030.EPMY NOTESConsider the following system of equations:9x2 2x3 4x4 = 2x1 18x2 2x49x2 4x3 8x4 = 0Row-reduce the augmented matrix of the system. (Order the columns from X1 to X4)Identify the free variables from the row-reduced matrix. (Select all that apply:)Use back substitution to write the variables corresponding to the leading variables in terms of the free variables. State the resulting solution.
DETAILSPOOLE LINEAR ALGEBRA 4 2.2.030.EPMY NOTESConsider t…
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