
The complete solution of linear system or show that it is inconsistent.

Answer to Problem 18E
The solution for given system is
Explanation of Solution
Given:
Equation given,
Concept Used:
The concept of Gaussian elimination is used to concert the linear system into row echelon form.
Calculation:
Consider first the given equations,
Step1:
In the first step first to obtain a triangular system eliminate the variables
Now first to eliminate
Multiply Equation
Now, Add Equation
The equation obtained can be written as
Step 2:
Now to eliminate
Multiply equation
Now, Add the New equation
Thus the equation obtained is,
The triangular system of equations can now be written as,
From the last equation the value of
Substitute the value of
Substitute the value of
Conclusion:
Hence, the solution for given system is
Chapter 10 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
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