The Sum Of Two Numbers Is 69 And Their Difference Is 29
The problem given says that 2 unknown numbers are given, whose sum is equal to 69 and the difference is 29. Let's find the two numbers :When we add the two numbers :
X + Y = 69
The difference of two numbers :
X - Y = 29
Solution :
If we add the two equations eachother , then we can find the first number.
|
X + Y = 69 X - Y = 29 2X = 98 |
Let's divide 98 to 2 for the first number "X" .
X/2 = 49
First number is 49
X + Y = 69
So ;
49 + Y = 69
Y = 69 - 49
Y = 20
Second number is 20
Question & Answer
The Sum Of Two Numbers Is 69 And Their Difference Is 29 : 49 And 20