11. Solve x + y + 2z = 5 3x + 4y + z = -2 2x - 5y + 3z = 21

Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter2: Solving Linear Equations And Inequalities
Section2.1: Solve Equations Using The Subtraction And Addition Properties Of Equality
Problem 2.11TI: Solve: 8y47y7=4 .
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11. Solve
x + y + 2z = 5
3x + 4y + z = -2
2x - 5y + 3z = 21
Transcribed Image Text:11. Solve x + y + 2z = 5 3x + 4y + z = -2 2x - 5y + 3z = 21
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