Now answered: In Exercises 21 42, solve the system of linear equations and check any
Chapter 8, Problem 32(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.
\(\left\{\begin{aligned}-x+3 y+z=& 4 \\4 x-2 y-5 z=&-7 \\2 x+4 y-3 z=& 12\end{aligned}\right.\)
Text Transcription:
{-x+3y+z=4 _4x-2y-5z=-7 _2x+4y-3z=12
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