Algebra 2 (1st Edition)

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

Chapter 3 Linear Systems and Matrices - 3.1 Solve Linear Systems by Graphing - 3.1 Exercises - Mixed Review - Page 158: 42



Work Step by Step

$-4(x+3)=5x+9$ $-4x-12=5x+9$ $-12-9=5x+4x$ $-21=9x$ $x=-\frac{21}{9}$ $x=-\frac{7}{3}$
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