Multiple choice general knowledge math & puzzles

What is the simplified result of following the steps above in order? (1) add 5y to 2x (2) multiply the sum by 3 (3) subtract x + y from the product

  1. 5x + 14y

  2. 5x + 16y

  3. 5x + 5y

  4. 6x + 4y

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A Correct answer
Explanation

Step 1: 2x + 5y. Step 2: 3(2x + 5y) = 6x + 15y. Step 3: (6x + 15y) - (x + y) = 5x + 14y. The calculation follows basic algebraic distribution and subtraction of like terms.