The Sum Of Two Numbers Is 39 And Their Difference Is 19
The problem given says that 2 unknown numbers are given, whose sum is equal to 39 and the difference is 19. Let's find the two numbers :When we add the two numbers :
X + Y = 39
The difference of two numbers :
X - Y = 19
Solution :
If we add the two equations eachother , then we can find the first number.
X + Y = 39 X - Y = 19 2X = 58 |
Let's divide 58 to 2 for the first number "X" .
X/2 = 29
First number is 29
X + Y = 39
So ;
29 + Y = 39
Y = 39 - 29
Y = 10
Second number is 10
Question & Answer
The Sum Of Two Numbers Is 39 And Their Difference Is 19 : 29 And 10