SOLUTION: Use two equations in two variables to solve the application.
The sum of two integers is 45, and their difference is 13. Find the integers (smaller and larger).
Algebra.Com
Question 1130796: Use two equations in two variables to solve the application.
The sum of two integers is 45, and their difference is 13. Find the integers (smaller and larger).
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
(1) x + y = 45
(2) x - y = 13 therefore x = y + 13 Substitute for x on (1)
y + 13 + y = 45
2y = 32
y = 16
and x - y = 13; x - 16 = 13; x = 29
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Check:
x + y = 45
29 + 16 = 45 Correct
RELATED QUESTIONS
the sum of two integers is 5. their difference is 13. find the two integers (answered by nerdybill,Maths68,xdragonfight)
Use two equations in two variables to solve the application.
A chemist has one... (answered by Alan3354)
Select two variables, set up two equations and solve the problem below.
The sum of... (answered by josgarithmetic)
Use two equations in two variables to solve the application.
A 60-meter path surrounds (answered by josgarithmetic)
Use two equations in two variables to solve the application. See Example 3. (Objective 1)
(answered by ikleyn,josgarithmetic)
Use a system of two equations in two variables to solve the problem.
A two digit number... (answered by MathTherapy)
The difference between two integers is 13, and their sum is 87. What are the two... (answered by ewatrrr)
The sum of two numbers is 15, and their differences is 3. What are the numbers?
The... (answered by Alan3354)
Use two equations in two variables to solve the application.
A rectangle is 3 times... (answered by Boreal)