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Solve the system of equations using matrices.

0 votes
3x - 2y + z = -7
x + y - 2z = 12
3x + y - z = 10
asked Mar 18, 2014 in ALGEBRA 2 by homeworkhelp Mentor

1 Answer

0 votes

Given equations are 3 - 2 + = -7 ---> (1)

x + y  - 2z  = 12 ---> (2)

3x  + y - z  = 10 ---> (3)

Write the equations into matrices form AX  = B .

A  is coefficient matrix , X  is variable matrix and B  is constant matrix.

Now solve the equations in Cramer's rule.

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Solution:

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answered Mar 22, 2014 by david Expert

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