The sum of two numbers is - 21. One number is 55 less than the other. Find the numbers.

x = 17 y = - 38

Step-by-step explanation:

x + y = - 21

y = x - 55

It doesn't matter whether x or y is 55 less than the other right now.

substitute for y:

x + x - 55 = - 21

solve for x:

2x = 34

x = 17

solve for y:

17 + y = - 21

y = - 38