2x - 4y + 5z =-11 4x+3y-3z=17 3x+2y-z = 9

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Question

Solve the following systems: 
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a)
2x - 4y + 5z = -11
4x + 3y - 3z = 17
3x+2y-z = 9
b)
x+y-22-4 = 0
2x-y-z-3=0
4x+y-52-16 = 0
Transcribed Image Text:a) 2x - 4y + 5z = -11 4x + 3y - 3z = 17 3x+2y-z = 9 b) x+y-22-4 = 0 2x-y-z-3=0 4x+y-52-16 = 0
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