
To find: the solution of the system

Answer to Problem 26RE
The solution of the system is
Given:
Explanation:
Let’s begin by labeling our three equations.
Use operation
Our new system, with the new Equation
Now, subtract Equation
the value of
Our new system, with the new Equation
Our system is in triangular form. Now use back-substitution to solve for all of the variables. Substitute the value of
With the value of both
The values of all three variables is
The ordered triplet is
Conclusion:
Thus, the solution of the system is
Explanation of Solution
Given:
Let’s begin by labeling our three equations.
Use operation
Our new system, with the new Equation
Now, subtract Equation
the value of
Our new system, with the new Equation
Our system is in triangular form. Now use back-substitution to solve for all of the variables. Substitute the value of
With the value of both
The values of all three variables is
The ordered triplet is
Conclusion:
Thus, the solution of the system is
Chapter 10 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
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