Solve the following system of equations using elimination or substitution method. x + y – z = – 2 3x + z = 7 x – y + 3z = 8

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 8CYU
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Solve the following system of equations using elimination or substitution method.
x + y – z =
-
3x + z = 7
x – y + 3z = 8
Transcribed Image Text:Solve the following system of equations using elimination or substitution method. x + y – z = - 3x + z = 7 x – y + 3z = 8
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