The sum 9

The sum of two integers is 4. Their difference is 8. What are these two integers?

Correct answer:

x =  6
y =  -2

Step-by-step explanation:


x+y=4
x-y=8

x+y = 4
x-y = 8

Row 2 - Row 1 → Row 2
x+y = 4
-2y = 4


y = 4/-2 = -2
x = 4-y = 4+2 = 6

x = 6
y = -2

Our linear equations calculator calculates it.



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Do you have a system of equations and looking for calculator system of linear equations?

You need to know the following knowledge to solve this word math problem:

Related math problems and questions: