Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Transcribed Image Text:12. 3x1 +
x2 - 3x3
X2
+
2x1 + 7x2
2x1 + 5x2
= = 6
X3 = -9
= -5
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