Respuesta :

Answer:

6x - 3y

Step-by-step explanation:

First find the sum

10x - 2y - 3y

10x - 5y

Now do the subtraction

10x - 5y - (4x - 2y)            Remove the brackets.

10x - 5y - 4x + 2y

10x - 4x = 6x

-5y + 2y = - 3y

Answer

6x - 3y