Answer: -1 and 2
Explanation:
a = 1st number
b = 2nd number
a + b = 1
a - b = -3
Use the elimination method. You will get
2a = 1 + -3 = -2
a = -2/2
a = -1
a + b = 1
Substitute a for -1
-1 + b = 1
Add 1 to both sides
b = 2
The two numbers are -1 and 2
Hope that helped!