Respuesta :
I’m not sure what the question is but the attachment below is a possibility of the answer of what you’re looking for

Answer:
x-3
Step-by-step explanation:
(-x-6)+(2x+3)=-x-6+2x+3 Remove brackets
=(-x+2x)+(3-6) Group like terms
=(-1+2)x +(3-6) Distributive property
=x-3 Solution