Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 8 - Section 8.5 - Determinants and Cramer's Rule - Exercise Set - Page 946: 43

Answer

$\begin{cases} 2x-4y=8 \\ 3x+5y=-10 \end{cases}$

Work Step by Step

Based on the given determinants. recalling their definitions and Cramer’s Rule, we can write the system of linear equations as: $\begin{cases} 2x-4y=8 \\ 3x+5y=-10 \end{cases}$ where we used $D$ to find the left-side coefficients and the first column of $D_x$ to find the right-side values.
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