The solution of the system of equations by substitution method. The solution is verified by graphically.
Answer to Problem 14E
Explanation of Solution
Given information:
The system of the equation are:
Calculation:
The given equations are
To find the system of the equation firstly will isolate one of the variable in terms of the other and substitute it into the other equation, then solve for the remaining variable are as shown below:
From the system of the equation, notice
Add the above equations:
By factorisation of the equation:
There are three solutions
The solutions are
Now, verify the given equation by graphically are as shown below:
Thus,the solutions are
Chapter 7 Solutions
EBK PRECALCULUS W/LIMITS
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