Answer:
The correct answer to you question would be 20
Explanation:
To solve this equation you must use the order of operations, which is also-know-as (PEMDAS), which stands for Parenthesis, Exponents, Multiplication, Division, Addition and Subtraction. So now we have to solve this equation.
30-(15-5)=
30-(10)=
30-10=
20=
20=20
Hence your answer is 20