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A student is asked to solve the following system of equations using substitution: -2x +y = -1 x-y = 1 Identify a possible third equation that must be solved to find the solution using substitution. Select one: O a. -2x +(x- 1) = 1 O b. -2x +(x-1) = -1 Ос. - 2(у-1)+ун-1 O d. -2(1-y)+y = -1

A student is asked to solve the following system of equations using substitution: -2x +y = -1 x-y = 1 Identify a possible third equation that must be solved to find the solution using substitution. Select one: O a. -2x +(x- 1) = 1 O b. -2x +(x-1) = -1 Ос. - 2(у-1)+ун-1 O d. -2(1-y)+y = -1

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter6: Systems Of Linear Equations And Inequalities
Section6.2: Substitution
Problem 3CYU
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A student is asked to solve the following system of equations using substitution: -2x +y = -1 x-y = 1 Identify a possible third equation that must be solved to find the solution using substitution. Select one: O a. -2x +(x- 1) = 1 O b. -2x +(x-1) = -1 c. -2y-1)+y = -1 O d. -2(1-y)+y = -1 A student is asked to demonstrate their skills of solving a system of equations using elimination. Identify the system of equations that would require the fewest number of steps to solve using elimination. Select one: 4x - 7y = 2 7x- 4y = -2 b. 5x - By = 3 3x - 4y = 2 -3x + 4y = 1 3x +y = 4 d. 20x +2y = 2 10x + 4y = 6
Transcribed Image Text:A student is asked to solve the following system of equations using substitution: -2x +y = -1 x-y = 1 Identify a possible third equation that must be solved to find the solution using substitution. Select one: O a. -2x +(x- 1) = 1 O b. -2x +(x-1) = -1 c. -2y-1)+y = -1 O d. -2(1-y)+y = -1 A student is asked to demonstrate their skills of solving a system of equations using elimination. Identify the system of equations that would require the fewest number of steps to solve using elimination. Select one: 4x - 7y = 2 7x- 4y = -2 b. 5x - By = 3 3x - 4y = 2 -3x + 4y = 1 3x +y = 4 d. 20x +2y = 2 10x + 4y = 6
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