The Sum Of Two Numbers Is 11 And Their Difference Is 5

The problem given says that 2 unknown numbers are given, whose sum is equal to 11 and the difference is 5. Let's find the two numbers :

When we add the two numbers :
X + Y = 11

The difference of two numbers :
X - Y = 5

Solution :

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

X + Y = 11
X - Y = 5

2X = 16

Let's divide 16 to 2 for the first number "X" .

X/2 = 8

First number is 8

X + Y = 11
So ;
8 + Y = 11
Y = 11 - 8
Y = 3

Second number is 3

Question & Answer
The Sum Of Two Numbers Is 11 And Their Difference Is 5 : 8 And 3

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