Solve the following system of equations.  2w + x + y+ 2z = −9 w − x + y+ 2z = 1 2w+ x+ 2y − 3z = 18 3? + 2x + 3y + z = 0

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.7: Solving Systems Of Linear And Quadratic Equations
Problem 9CYU
Question

Solve the following system of equations. 

2w + x + y+ 2z = −9

w − x + y+ 2z = 1

2w+ x+ 2y − 3z = 18

3? + 2x + 3y + z = 0

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