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OpenStudy (anonymous):
Use Cramer's rule to solve the system. 2x + 4y - z = 32 x - 2y + 2z = -5 5x + y + z = 20 A. {( 1, -9, -6)} B. {( 2, 7, 6)} C. {( 9, 6, 9)} D. {( 1, 9, 6)}
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OpenStudy (anonymous):
@Psymon
OpenStudy (uri):
lol!
OpenStudy (uri):
2x + 4y - z = 32 x - 2y + 2z = -5 5x + y + z = 20 This is the question,right?
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OpenStudy (uri):
|dw:1376286451147:dw|
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