The Sum Of Two Numbers Is 43 And Their Difference Is 10

The problem given says that 2 unknown numbers are given, whose sum is equal to 43 and the difference is 10. Let's find the two numbers :

When we add the two numbers :
X + Y = 43

The difference of two numbers :
X - Y = 10

Solution :

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

X + Y = 43
X - Y = 10

2X = 53

Let's divide 53 to 2 for the first number "X" .

X/2 = 26.5

First number is 26.5

X + Y = 43
So ;
26.5 + Y = 43
Y = 43 - 26.5
Y = 16.5

Second number is 16.5

Question & Answer
The Sum Of Two Numbers Is 43 And Their Difference Is 10 : 26.5 And 16.5

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