Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 9 - Systems and Matrices - 9.2 Matrix Solution of Linear Systems - 9.2 Exercises: 4

Answer

2

Work Step by Step

To turn the element 6 (row 2, column 1) into 0, we would multiply the (-3) above it with 2, and then add it to the 6.
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