Respuesta :
The answer is 2y-10x.
This is because you combine the like terms which is the y and y:
y + y + -10x
2y + -10x
Then multiply the negative time the positive and you get a negative:
2y + -10x
2y-10x
This is because you combine the like terms which is the y and y:
y + y + -10x
2y + -10x
Then multiply the negative time the positive and you get a negative:
2y + -10x
2y-10x