The Sum Of Two Numbers Is 89 And Their Difference Is 22

The problem given says that 2 unknown numbers are given, whose sum is equal to 89 and the difference is 22. Let's find the two numbers :

When we add the two numbers :
X + Y = 89

The difference of two numbers :
X - Y = 22

Solution :

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

X + Y = 89
X - Y = 22

2X = 111

Let's divide 111 to 2 for the first number "X" .

X/2 = 55.5

First number is 55.5

X + Y = 89
So ;
55.5 + Y = 89
Y = 89 - 55.5
Y = 33.5

Second number is 33.5

Question & Answer
The Sum Of Two Numbers Is 89 And Their Difference Is 22 : 55.5 And 33.5