The Sum Of Two Numbers Is 56 And Their Difference Is 13

The problem given says that 2 unknown numbers are given, whose sum is equal to 56 and the difference is 13. Let's find the two numbers :

When we add the two numbers :
X + Y = 56

The difference of two numbers :
X - Y = 13

Solution :

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

X + Y = 56
X - Y = 13

2X = 69

Let's divide 69 to 2 for the first number "X" .

X/2 = 34.5

First number is 34.5

X + Y = 56
So ;
34.5 + Y = 56
Y = 56 - 34.5
Y = 21.5

Second number is 21.5

Question & Answer
The Sum Of Two Numbers Is 56 And Their Difference Is 13 : 34.5 And 21.5

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