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Solve the following system of linear equations using the techniques discussed in this section. (If the...

Solve the following system of linear equations using the techniques discussed in this section. (If the system is dependent assign the free variable the parameter t. If the system is inconsistent, enter INCONSISTENT.)
x1 − x3 = −4
2x2 − x4 = 0
x1 − 2x2 + x3 = 0
−x3 + x4 = 2
(x1, x2, x3, x4)
Math   Precalculus   
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