The Sum Of Two Numbers Is 53 And Their Difference Is 18

The problem given says that 2 unknown numbers are given, whose sum is equal to 53 and the difference is 18. Let's find the two numbers :

When we add the two numbers :
X + Y = 53

The difference of two numbers :
X - Y = 18

Solution :

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

X + Y = 53
X - Y = 18

2X = 71

Let's divide 71 to 2 for the first number "X" .

X/2 = 35.5

First number is 35.5

X + Y = 53
So ;
35.5 + Y = 53
Y = 53 - 35.5
Y = 17.5

Second number is 17.5

Question & Answer
The Sum Of Two Numbers Is 53 And Their Difference Is 18 : 35.5 And 17.5

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