Step-by-step explanation:Here's how to solve the equation step-by-step: Step 1: Parentheses - Solve the expression within the parentheses: 7 - 5 = 2 Step 2: Division - Perform the division: 30 ÷ 2 = 15 Step 3: Addition - Add the remaining numbers: 10 + 2 + 15 = 27 Answer: 27