Solve the system of equations by any method. 3x + 12y = 21 a – 4y = –7 Enter the exact answer as an ordered pair, (æ, y). If there is no solution, enter NS. If there is an infinite number of solutions, enter the general solution as an ordered pair in terms of æ. Include a multiplication sign between symbols. For example, a * x.

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 5.68TI: For each system of linear equations, decide whether it would be more convenient to solve it by...
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Solve the system of equations by any method.
3x + 12y = 21
x – 4y = –7
Enter the exact answer as an ordered pair, (x, y).
If there is no solution, enter NS. If there is an infinite number of solutions, enter the general solution as
an ordered pair in terms of æ.
Include a multiplication sign between symbols. For example, a * x.
Transcribed Image Text:Solve the system of equations by any method. 3x + 12y = 21 x – 4y = –7 Enter the exact answer as an ordered pair, (x, y). If there is no solution, enter NS. If there is an infinite number of solutions, enter the general solution as an ordered pair in terms of æ. Include a multiplication sign between symbols. For example, a * x.
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