1. The problem is to simplify the expression $2 \times 7 + 3x + 15$. 2. Use the order of operations: multiplication before addition. 3. Calculate $2 \times 7 = 14$. 4. Substitute back: $14 + 3x + 15$. 5. Combine like terms (constants): $14 + 15 = 29$. 6. Final simplified expression: $29 + 3x$.