Respuesta :

Answer:

7x+12y

Step-by-step explanation:

Equation 1: 2x+4y        Equation 2: 5x+8y

(2x+4y)+(5x+8y)

1. Move and add like terms:   (2x+5x)+(4y+8y)

2. Remove parentheses:   (7x)+(12y)

7x+12y