4 Express the matrix equation x -y =5 as a system of linear equations and solve. 4 Choose the correct system below. O A. 4x+4y= 20 5x-7y 30 O B. 5x+7y= 20 4x-4y 30 c. 5x+4y = 20 4x-7y 30 O D. 5x-7y 20 4x+4y 30

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Question
-4
4
Express the matrix equation x
=D5
as a system of linear equations and solve.
-y
6.
Choose the correct system below.
O A. 4x+4y=20
5x-7y 30
O B. 5x+7y% = 20
4x-4y 30
C c. 5x+4y= 20
4x-7y 30
O D. 5x-7y= 20
4x+4y 30
Solve the resulting system of equations.
(Type integers or simplified fractions.)
Transcribed Image Text:-4 4 Express the matrix equation x =D5 as a system of linear equations and solve. -y 6. Choose the correct system below. O A. 4x+4y=20 5x-7y 30 O B. 5x+7y% = 20 4x-4y 30 C c. 5x+4y= 20 4x-7y 30 O D. 5x-7y= 20 4x+4y 30 Solve the resulting system of equations. (Type integers or simplified fractions.)
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