Respuesta :

It would be A. 3x - 4y
This is because 2x + x = 3x, and -5y + y = 4y.
You can write the expression into
2x - 5y + x + y

Now classify the same variables, x with x and y with y, then add the parts with the same variable
2x - 5y + x + y
= 2x + x - 5y + y
= 3x - 4y

The answer is a