Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 3 Linear Systems and Matrices - 3.2 Solve Linear Systems Algebraically - Guided Practice for Example 4 - Page 163: 9


3, -1

Work Step by Step

The problem asks us to solve algebraically, so we find: $$5\cdot \frac{15-9y}{8}-2y=17 \\ y=-1$$ Thus: $$x=\frac{15-9\left(-1\right)}{8} =3$$
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