Respuesta :

charlesmcnutt

Answer:

-7x+15y+2x-6y

-5x+9y

Step-by-step explanation:

AayushTripathy

Answer:

-7x - ( -15y ) - ( - 2x) + ( -6y )

=> -7x + 15y + 2x - 6y

=> ( -7x + 2x ) + (15y - 6y)

=> -5x + 9y

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