A student is asked to solve the following system of equations using substitution:-2x +y = -1x-y = 1Identify a possible third equation that must be solved to find the solution using substitution.Select one:O a. -2x +(x- 1) = 1O b. -2x +(x-1) = -1c. -2y-1)+y = -1O d. -2(1-y)+y = -1A student is asked to demonstrate their skills of solving a system of equations using elimination. Identify the system ofequations that would require the fewest number of steps to solve using elimination.Select one:4x - 7y = 27x- 4y = -2b.5x - By = 33x - 4y = 2-3x + 4y = 13x +y = 4d.20x +2y = 210x + 4y = 6

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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

Intermediate Algebra

19th Edition

ISBN:9780998625720

Author:Lynn Marecek

Publisher:Lynn Marecek

Chapter4: Systems Of Linear Equations

Section4.3: Solve Mixture Applications With Systems Of Equations

Problem 4.54TI: Translate to a system of equations and solve: Anatole needs to make 250 milliliters of a 25%...

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Question

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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