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Two numbers have a sum of 19 and a difference of 9. Write a system and solve it to identify the two numbers.

Solution

Two numbers have a sum of 19 and a difference of 9. Write a system and solve it to identify the two numbers.

Solution

The numbers : 14, 5

Solution steps

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 19

x - y = 9

x + y = 19, x - y = 9 : x = 14, y = 5

The numbers : 14, 5

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