(a)
The system of equations of:
The sum of two numbers is
(a)
Answer to Problem 14PPS
The system of equation is written as:
Explanation of Solution
Given:
The sum of two numbers is
The difference of the two numbers is
Calculation:
Consider,
First number:
Second number:
The equations are written for given two problem conditions as:
Conclusion:
The system of equation is written as:
(b)
The solution of the system by using the graphing method and meaning of the solution is to be needed.
(b)
Answer to Problem 14PPS
Explanation of Solution
Given:
The sum of two numbers is
The difference of the two numbers is
Calculation:
The equation is written as:
Now, draw a graph these two eqns.
From graph:
Notice that they have an intersection at
This point is solution of the graphing eqns.
Conclusion:
So, by using the graphing method the solution of the system of equations is
Chapter 8 Solutions
Pre-Algebra, Student Edition
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