Answer:
-x+8y-27
Explanation:
-(x-8y+27)
so the sub symbol is kinda just 1 sense there isnt anything else for there
-1(x-8y+27)
now just like group them or smt
-1(x)+(-1)(-8y)+(-1x27)
so yea then tou multiply all of them and then
-x+8y-27
also
- x - = +
+ x + = +
- x + = -