The Sum Of Two Numbers Is 40 And Their Difference Is 26

The problem given says that 2 unknown numbers are given, whose sum is equal to 40 and the difference is 26. Let's find the two numbers :

When we add the two numbers :
X + Y = 40

The difference of two numbers :
X - Y = 26

Solution :

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

X + Y = 40
X - Y = 26

2X = 66

Let's divide 66 to 2 for the first number "X" .

X/2 = 33

First number is 33

X + Y = 40
So ;
33 + Y = 40
Y = 40 - 33
Y = 7

Second number is 7

Question & Answer
The Sum Of Two Numbers Is 40 And Their Difference Is 26 : 33 And 7

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