The Sum Of Two Numbers Is 43 And Their Difference Is 25

The problem given says that 2 unknown numbers are given, whose sum is equal to 43 and the difference is 25. Let's find the two numbers :

When we add the two numbers :
X + Y = 43

The difference of two numbers :
X - Y = 25

Solution :

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

X + Y = 43
X - Y = 25

2X = 68

Let's divide 68 to 2 for the first number "X" .

X/2 = 34

First number is 34

X + Y = 43
So ;
34 + Y = 43
Y = 43 - 34
Y = 9

Second number is 9

Question & Answer
The Sum Of Two Numbers Is 43 And Their Difference Is 25 : 34 And 9