The Sum of Two Numbers is 24 and Their Difference is 4




The sum of two numbers is 24 and their difference is 4. What are the two numbers? Let's start by calling the two numbers we are looking for x and y.

The sum of x and y is 24. In other words, x plus y equals 24 and can be written as equation A:

x + y = 24

The difference between x and y is 4. In other words, x minus y equals 4 and can be written as equation B:

x - y = 4

Now solve equation B for x to get the revised equation B:

x - y = 4
x = 4 + y


Then substitute x in equation A from the revised equation B and then solve for y:

x + y = 24
4 + y + y = 24
4 + 2y = 24
2y = 20
y = 10


Now we know y is 10. Which means that we can substitute y for 10 in equation A and solve for x:

x + y = 24
x + 10 = 24
X = 14


Summary: The sum of two numbers is 24 and their difference is 4. What are the two numbers? Answer: 14 and 10 as proven here:

Sum: 14 + 10 = 24
Difference: 14 - 10 = 4



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