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12) -3x- 8y= 20 -5x + y = 19 14) -3x+ 3y = 3 -5x+ y= 13

12) -3x- 8y= 20 -5x + y = 19 14) -3x+ 3y = 3 -5x+ y= 13

Algebra: Structure And Method, Book 1
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
Chapter11: Rational And Irrational Numbers
Section11.2: Decimal Forms Of Rational Numbers
Problem 42WE
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Solve each system by substitution
12) –3x- 8y%= 20 -5x + y = 19 14) -3x+ 3y = 3 -5x+ y= 13
Transcribed Image Text:12) –3x- 8y%= 20 -5x + y = 19 14) -3x+ 3y = 3 -5x+ y= 13
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