The Sum Of Two Numbers Is 51 And Their Difference Is 13

The problem given says that 2 unknown numbers are given, whose sum is equal to 51 and the difference is 13. Let's find the two numbers :

When we add the two numbers :
X + Y = 51

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 = 51
X - Y = 13

2X = 64

Let's divide 64 to 2 for the first number "X" .

X/2 = 32

First number is 32

X + Y = 51
So ;
32 + Y = 51
Y = 51 - 32
Y = 19

Second number is 19

Question & Answer
The Sum Of Two Numbers Is 51 And Their Difference Is 13 : 32 And 19

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