7.) Solve the system of equations by either the addition method or substitution method. 2x +y = 11 x +3y = 18

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter6: Systems Of Linear Equations And Inequalities
Section6.1: Graphing Systems Of Equations
Problem 54PFA
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7.) Solve the system of equations by either the addition method or substitution method.
2x +y = 11
x+3y 18
Transcribed Image Text:7.) Solve the system of equations by either the addition method or substitution method. 2x +y = 11 x+3y 18
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