The Sum Of Two Numbers Is 71 And Their Difference Is 35
The problem given says that 2 unknown numbers are given, whose sum is equal to 71 and the difference is 35. Let's find the two numbers :When we add the two numbers :
X + Y = 71
The difference of two numbers :
X - Y = 35
Solution :
If we add the two equations eachother , then we can find the first number.
X + Y = 71 X - Y = 35 2X = 106 |
Let's divide 106 to 2 for the first number "X" .
X/2 = 53
First number is 53
X + Y = 71
So ;
53 + Y = 71
Y = 71 - 53
Y = 18
Second number is 18
Question & Answer
The Sum Of Two Numbers Is 71 And Their Difference Is 35 : 53 And 18