The Sum Of Two Numbers Is 19 And Their Difference Is 5

The problem given says that 2 unknown numbers are given, whose sum is equal to 19 and the difference is 5. Let's find the two numbers :

When we add the two numbers :
X + Y = 19

The difference of two numbers :
X - Y = 5

Solution :

If we add the two equations eachother , then we can find the first number.

X + Y = 19
X - Y = 5

2X = 24

Let's divide 24 to 2 for the first number "X" .

X/2 = 12

First number is 12

X + Y = 19
So ;
12 + Y = 19
Y = 19 - 12
Y = 7

Second number is 7

Question & Answer
The Sum Of Two Numbers Is 19 And Their Difference Is 5 : 12 And 7