In Exercises 1318, use backsubstitution to solve the system of linear equations. 17. {
Chapter 8, Problem 17(choose chapter or problem)
Using Back-Substitution In Exercises 13–18, use back substitution to solve the system of linear equations.
\(\left\{\begin{aligned} 4 x-2 y+z &=8 \\-y+z &=4 \\ z &=11 \end{aligned}\right.\)
Text Transcription:
{4x-2y+z=8 _-y+z=4 _z=11
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