The Sum Of Two Numbers Is 51 And Their Difference Is 7
The problem given says that 2 unknown numbers are given, whose sum is equal to 51 and the difference is 7. Let's find the two numbers :When we add the two numbers :
X + Y = 51
The difference of two numbers :
X - Y = 7
Solution :
If we add the two equations eachother , then we can find the first number.
|
X + Y = 51 X - Y = 7 2X = 58 |
Let's divide 58 to 2 for the first number "X" .
X/2 = 29
First number is 29
X + Y = 51
So ;
29 + Y = 51
Y = 51 - 29
Y = 22
Second number is 22
Question & Answer
The Sum Of Two Numbers Is 51 And Their Difference Is 7 : 29 And 22