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1. Find the solution of the following system of equations using substitution. i. x - y = 3 7x + 3y = -49 2. Find the solution of the following system of equations using elimination. i. -x + 3y

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1. Find the solution of the following system of equations using substitution. i. x - y = 3 7x + 3y = -49 2. Find the solution of the following system of equations using elimination. i. -x + 3y = -12 3x + 7y = 36 y = -7 + 4x 4. Find the solution of the following ever method you wish. 3. Find the solution of the following system of equations using matrices. I i. x + 5y = 49 a. x + y = 6 ii. 2x + 3y = 23 x = 52-6y y = 3-x c. 2x + 2y + 4z = -5 6x + 6y + 12z = -20 2x - 2y + 2z = 4 ii. 3x = 36 + 4y 2x = -61-7y ii. x+y+z=3 2x + 5y + 2z = 0 -x+6y3z = -27 system of equations using which b. 3x - y = 5 5y = 15x - 25 d. -4x - 3y -z = -2 -8x - 2y 2z = 4 6x + 3y + z = 0 5. Bonus Problems: Solve the following 3-variable systems of equations. i. x-2y-z = 6 -x+6y3z = -18 2x - 11y + 5z = 33 ii. 6x - y + z = 20 2x + 2y3z = 21 x - 3y + 2z = -3

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Advanced Engineering Mathematics

Advanced Engineering Mathematics

ISBN: 978-0471488859

9th Edition

Authors: ERWIN KREYSZIG

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