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
Section9.5: Multiplication With The Addition-or-subtraction Method
Problem 25WE
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a) Find the points of intersection between −4x − 8y = 2 and 2x = 8 − 4y.
b) Find the points of intersection between 3(x−3y)=2y and 2x+5=5−7y.
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