Respuesta :

dillonliyanage

Answer:

-17x+0.8y

Step-by-step explanation:

-8x+7.1y-(9x+6.3y)- you multiply the terms inside with the -1 (it's shown as a                                       ------                          minus by most people)

-8x +7.1y -9x -6.3y

-8x -9x +7.1y -6.3y

-17x +0.8y