Answer: In Exercises 2530, use backsubstitution to solve
Chapter 1, Problem 27(choose chapter or problem)
Back-Substitution In Exercises 25-30, use back substitution to solve the system
\(\begin{array}{r} -x+y-z=0 \\ 2 y+z=3 \\ \frac{1}{2} z=0 \end{array} \)
Text Transcription:
-x+y-z=0
2 y+z=3
1/2 z=0
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