Solved: In Exercises 21 42, solve the system of linear equations and check any solution
Chapter 8, Problem 22(choose chapter or problem)
Solving a System of Linear Equations In Exercises 21–42, solve the system of linear equations and check any solution algebraically.
\(\left\{\begin{aligned} x+y+z &=5 \\ x-2 y+4 z &=-1 \\ 3 y+4 z &=-1 \end{aligned}\right.\)
Text Transcription:
{x+y+z=5 _x-2 y+4z=-1 _3y+4z=-1
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