Based on the system of equations to the right what is the value of x+2y ? y=3x-2 y=-7x-22

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.7: Solving Systems Of Linear And Quadratic Equations
Problem 9CYU
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Based on the system of equations to the right what is the value of x+2y ? y=3x-2 y=-7x-22
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