Use the echelon method to solve the following system of two equations in two unknowns. Check your answer. 7x+4y = -24x-4y = -20 Select the correct choice below and, if necessary, fill in the answe box to complete your choice. A. The solution is _____ (type an ordered pair)B. There are infinitely many solutions. The solution is (______,y), where y is any real number.C. There is no solution.
Use the echelon method to solve the following system of two equations in two unknowns. Check your answer. 7x+4y = -24x-4y = -20 Select the correct choice below and, if necessary, fill in the answe box to complete your choice. A. The solution is _____ (type an ordered pair)B. There are infinitely many solutions. The solution is (______,y), where y is any real number.C. There is no solution.
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.7: Puzzle Problems
Problem 27P
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Use the echelon method to solve the following system of two equations in two unknowns. Check your answer.
7x+4y = -2
4x-4y = -20
Select the correct choice below and, if necessary, fill in the answe box to complete your choice.
A. The solution is _____ (type an ordered pair)
B. There are infinitely many solutions. The solution is (______,y), where y is any real number.
C. There is no solution.
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