To find the solution of the system of linear equation.
Answer to Problem 25E
The value of x and y is
Explanation of Solution
Given information:
The system of linear equation:
Calculation :
To evaluate the values of variables x and y ,
It is needed to substitute the relation of two variables in the first equation obtained from second equation.
Therefore the relation of two variables in the second equation is obtained as:
Now, substituting the value x in equation ( i )
Now, substituting the value of ‘ y’ in equation ( ii ).
To check the solution of the two equation, use graphing utility to graph both the equation,
The graph is obtained as from the above graph, it can be observed that the point of intersection of the two line is
Hence, the solution of the two equation is
Chapter 7 Solutions
Precalculus with Limits: A Graphing Approach
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