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6th Edition

KASSIMALI + 1 other

Publisher: Cengage,

ISBN: 9781337630931

Chapter B, Problem 7P

Textbook Problem

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Solve the following system of simultaneous equations by the Gauss-Jordan method.

−12*x*_{1} − 3*x*_{2} + 6*x*_{3} = 45

5*x*_{1} + 2*x*_{2} − 4*x*_{3} = −9

10*x*_{1} + *x*_{2} − 7*x*_{3} = −32

To determine

Use the Gauss Jordan method to solve the simultaneous equations.

Given information:

Calculation:

Write the system in the matrix form:

Write the augmented matrix:

Divide the first row by

In the second row, subtract the first row multiplied with 5 from second row.

In the third row, subtract the first row multiplied with 10 from third row.

Divide the second row by 3/4.

In the first row, subtract the second row multiplied with

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