The Sum Of Two Numbers Is 16 And Their Difference Is 1

The problem given says that 2 unknown numbers are given, whose sum is equal to 16 and the difference is 1. Let's find the two numbers :

When we add the two numbers :
X + Y = 16

The difference of two numbers :
X + Y = 1

Solution :

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

X + Y = 16
X - Y = 1

2X = 17

Let's divide 17 to 2 for the first number "X" .

X/2 = 8.5

First number is 8.5

X + Y = 16
So ;
8.5 + Y = 16
Y = 16 - 8.5
Y = 7.5

Second number is 7.5

Question & Answer
The Sum Of Two Numbers Is 16 And Their Difference Is 1 : 8.5 And 7.5

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