Respuesta :

Answer:

Step-by-step explanation:

Combine like terms. ie, add the coefficient of like terms

y + y + y + 3 + 4 = 3y + 7

Answer:

Combine like terms.

First, the variables:

y+y+y=3y

Now the constants:

3+4=7

Answer: 3y+7

Step-by-step explanation: