To find: the solution of the system
Answer to Problem 28RE
The solution of the system is
Given:
Explanation:
Let’s begin by labeling our three equations.
Use Operation
Simplify this by dividing both sides by
Our new system, with the new Equation
Now, combine Equation
Simplified, this is
This also simplifier to
One new system, with the new Equation
By the use of Operation
Drop equation
Now there are two equations with three variables. Use the equations to write
To find the complete solution, let’s solve Equation
Now, place this value of
To describe the complete solution, let
The ordered triplet is
The may differ from this if the value of z is
Conclusion:
Thus, the solution of the system is
Explanation of Solution
Given:
Let’s begin by labeling our three equations.
Use Operation
Simplify this by dividing both sides by
Our new system, with the new Equation
Now, combine Equation
Simplified, this is
This also simplifier to
One new system, with the new Equation
By the use of Operation
Drop equation
Now there are two equations with three variables. Use the equations to write
To find the complete solution, let’s solve Equation
Now, place this value of
To describe the complete solution, let
The ordered triplet is
The may differ from this if the value of z is
Conclusion:
Thus, the solution of the system is
Chapter 10 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
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