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To represent : the given situation by a system of equations and solve it.
To interpret the solution of the system of equations.
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Answer to Problem 23IP
The system of equations representing the given situation:
The solution of this system of equations is
From the solution of the system of equations, it can be concluded that the two-digits are
Explanation of Solution
Given information :
The sum of the digits in a two-digit number is
Calculation :
As per problem,
Let the first digitof a two-digit numberbe
The sum of the digitsis
Thegiven situationcan be represented as the following system of equations:
Solve the first equation for
Find the value of
Substitute
The solution of this system of equations is
The two-digits are
Chapter 9 Solutions
Glencoe Math Accelerated, Student Edition
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