
To calculate: Solution of linear system

Answer to Problem 22E
As solution is found hence it is a linear equation.
Explanation of Solution
Given information:
Calculation:
Adding equation and equation
Naming the equation as
Multiplying equation by
Naming the equation as
Multiplying equation by
Naming te equation as
Subtracting equation and equation
Naming te equation as
Multiplying equation by
Naming te equation as
Adding equation and equation
Thus
Substitute in equation
,
Thus
Substitute &
in equation
Thus
To prove that whether it is a linear equation or is inconsistent,
Substitute the above values of in any one of the equations.
So substitute these values in left hand side of equation to see whether it mathes the right hand side of the equation.
The answer matches hence the equation is linear equation.
Chapter 10 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
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