Algebra 2 (1st Edition)

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

Chapter 3 Linear Systems and Matrices - Cumulative Review Chapters 1-3 - Page 232: 4



Work Step by Step

Isolating x on one side of the equation, we obtain: $$ 8x=16 \\ x=2$$ Checking: $$6(2)-7 =-2(2) + 9 \\ 5=5$$
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