Answer
$X=A^{-1}B.$
Work Step by Step
After "dividing" both sides of the equation by $A$:
$X=A^{-1}B.$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 11 - Systems of Equations and Inequalities - 11.4 Matrix Algebra - 11.4 Assess Your Understanding - Page 757: 6
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