In Exercises 41 and 42, use back-substitution to solve the system of linear equations
Chapter 8, Problem 42(choose chapter or problem)
Using Back-Substitution In Exercises 41 and 42, use back-substitution to solve the system of linear equations.
\(\left\{\begin{aligned} x-7 y+8 z &=-14 \\ y-9 z &=26 \\ z &=-3 \end{aligned}\right.\)
Text Transcription:
{_z = -3 ^-y - 9z = 26 ^^x - 7y + 8z = -14
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