Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter5: Systems Of Linear Equations
Section5.3: Solve Systems Of Equations By Elimination
Problem 181E: Solve the system {x+y=105x+8y=56 (a)by substitution (b)by graphing (c) Which method do you prefer?...
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