21. 2x1 4 X1 + 3x2 = 5 3x1 + 2x2 + 3x3 = 12 ||

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
Chapter2: Working With Real Numbers
Section2.3: Rules For Addition
Problem 8P
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21. 2x1
4
%3D
= 5
X1 + 3x2
3x1 + 2x2 + 3x3 = 12
Transcribed Image Text:21. 2x1 4 %3D = 5 X1 + 3x2 3x1 + 2x2 + 3x3 = 12
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