The Sum Of Two Numbers Is 64 And Their Difference Is 19

The problem given says that 2 unknown numbers are given, whose sum is equal to 64 and the difference is 19. Let's find the two numbers :

When we add the two numbers :
X + Y = 64

The difference of two numbers :
X - Y = 19

Solution :

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

X + Y = 64
X - Y = 19

2X = 83

Let's divide 83 to 2 for the first number "X" .

X/2 = 41.5

First number is 41.5

X + Y = 64
So ;
41.5 + Y = 64
Y = 64 - 41.5
Y = 22.5

Second number is 22.5

Question & Answer
The Sum Of Two Numbers Is 64 And Their Difference Is 19 : 41.5 And 22.5

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