Question

-9 is the sum of two numbers and their difference is 31. What are their numbers

Answer 1

Answer: 20 and 11

Step-by-step explanation: Let x = the larger number

Let y = the smaller number

x + y = -9

x - y = 31

2x = 22

x = 11

x + y = -9

11 + y = -9

y = -20