SOLUTION: Use a system of equations to solve the following: The sum of two numbers is 54. The difference of the two numbers is 18. Find the two numbers.

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Question 41732: Use a system of equations to solve the following:
The sum of two numbers is 54. The difference of the two numbers is 18. Find the two numbers.
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Let the numbers be x and y...then we have
x + y = 54 and
x - y = 18
Now add the equations and get
2x = 72 and
x = 36
From this you can see that
y = 18 and we're done...