As in problem 26 in section 2 of Chapter 5 of your textbook, the system of linear equations below has a unique solution for all but one value of a: 5x 10y 20 42x + ay 168 What is this exceptional value for a?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.1: The Graphing Method
Problem 9OE
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As in problem 26 in section 2 of Chapter 5 of your textbook, the system of linear equations below has a unique solution for all but one value of a:
5x
-
10y
20
42x
+
ау
168
What is this exceptional value for a?
I| ||
Transcribed Image Text:As in problem 26 in section 2 of Chapter 5 of your textbook, the system of linear equations below has a unique solution for all but one value of a: 5x - 10y 20 42x + ау 168 What is this exceptional value for a? I| ||
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