4) Solve the following system of equations:- c) x + y+z = 2 a) x + 8y = 4 b) 2x + 3y = 5 2x – y+ z = 0 3x – y = -13 3x - y = 2 x + 2y – z = 4 ans. : a ) x = -4 , y = 1 b)x = y = 1 10 2 c)x = , 7 7

4) Solve the following system of equations:- c) x + y+z = 2 a) x + 8y = 4 b) 2x + 3y = 5 2x – y+ z = 0 3x – y = -13 3x - y = 2 x + 2y – z = 4 ans. : a ) x = -4 , y = 1 b)x = y = 1 10 2 c)x = , 7 7

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter5: Systems Of Equations And Inequalities

Section: Chapter Questions

Problem 3CC

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Question

4) Solve the following system of equations:-
c) x + y+z = 2
a) x + 8y = 4
b) 2x + 3y = 5
2x – y+ z = 0
3x – y = -13
3x - y = 2
x + 2y – z = 4
ans. : a ) x = -4 , y = 1
b)x = y = 1
10
2
c)x = ,
7
7

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