Answer:
20
Explanation:
To solve the problem 30 - (15 - 5) using subtraction, we need to perform the operations in the correct order, following the rules of subtraction.
Step 1: Evaluate the subtraction inside the parentheses.
15 - 5 = 10
Step 2: Subtract the result from Step 1 from 30.
30 - 10 = 20
Therefore, 30 - (15 - 5) equals 20.