Respuesta :
Answer:
15x+5y
Step-by-step explanation:
Combine the like terms
12x is combined with 3x to make 15x
4y is combined with y to make 5y
Answer:
15x+5y
Step-by-step explanation:
Combine the like terms
12x is combined with 3x to make 15x
4y is combined with y to make 5y