Respuesta :

Answer: -3y +4

Step-by-step explanation:

Answer:

-3y + 4

Explanation:

(4y + 5) + (-7y - 1)

[ Remove Parenthesis ]

= 4y + 5 + -7y - 1

[ Group Like Terms ]

= 4y - 7y + 5 - 1

[ Add / Subtract Similar Elements ]

4y - 7y = -3y

5 - 1 = 4

= -3y + 4