Answer:
1: First, keep the first number (known as the minuend) 2 .Second, change the operation from subtraction to addition
2. Third, get the opposite sign of the second number (known as the subtrahend)
4: finally, proceed with the regular addition of integers
Explanation:
Example: 1: (6-(-4)
6+4=10
(10)
2: (-1-(-9)
-1+9=8
(8)