The Sum Of Two Numbers Is 75 And Their Difference Is 13

The problem given says that 2 unknown numbers are given, whose sum is equal to 75 and the difference is 13. Let's find the two numbers :

When we add the two numbers :
X + Y = 75

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 = 75
X - Y = 13

2X = 88

Let's divide 88 to 2 for the first number "X" .

X/2 = 44

First number is 44

X + Y = 75
So ;
44 + Y = 75
Y = 75 - 44
Y = 31

Second number is 31

Question & Answer
The Sum Of Two Numbers Is 75 And Their Difference Is 13 : 44 And 31

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