Answer:
68x + 36y
General Formulas and Concepts:
- Order of Operations: BPEMDAS
 - Combining like terms
 
Explanation:
Step 1: Define expression
(19x + 4y) + (49x + 32y)
Step 2: Simplify expression
- Combine like terms (x): 68x + 4y + 32y
 - Combine like terms (y): 68x + 36y