In Exercises 8188, use matrices to solve the system of equations, if possible. Use

Chapter 8, Problem 84

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Gaussian Elimination with Back-Substitution In Exercises 81-88, use matrices to solve the system of equations, if possible. Use Gaussian elimination with back-substitution.

\(\left\{\begin{array}{l} 0.2 x-0.1 y=0.07 \\ 0.4 x-0.5 y=-0.01 \end{array}\right.\)

Text Transcription:

{_0.4x - 0.5y = -0.01  ^0.2x - 0.1y = 0.07

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