x-2y = -15 12. 9x + 7y = -10

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
Chapter4: Polynomials
Section: Chapter Questions
Problem 13CLR
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Solve by substitution.
,x- 2y = -15
12.
9x + 7y = -10
Transcribed Image Text:,x- 2y = -15 12. 9x + 7y = -10
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