d) 2x + y+z=2 X - y +z=7 2x + 2y +z= 4

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter8: Linear Functions
Section: Chapter Questions
Problem 6CST
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6) Solve the following system of equations:-
d) 2x+y+z=2
x - y+z=7
2x + 2y + z = 4
e) 2x - 4y = 6
f) x-z= 3
x+y+z= 1
2y - 2z = 2
5y + 7z = 10
2x +z=3
g) 2x - 3y+ 4z =-19
6x +4y -2z = 8
X+5y + 4z= 23
Transcribed Image Text:6) Solve the following system of equations:- d) 2x+y+z=2 x - y+z=7 2x + 2y + z = 4 e) 2x - 4y = 6 f) x-z= 3 x+y+z= 1 2y - 2z = 2 5y + 7z = 10 2x +z=3 g) 2x - 3y+ 4z =-19 6x +4y -2z = 8 X+5y + 4z= 23
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