Respuesta :

2x + 5y is the answer



There’s also this app called Cymath where you type in your math equation and it gives you the answer

Answer:

2x + 5y

Step-by-step explanation:

-5x - 10y + 7x + 15y

add the ones with the same variables

-5x + 7x - 10y + 15 y

2x + 5y

and there you have the answer "2x + 5y"