Question

Раскройте скобки и упростите:
(x-4)+1
_______

-4-(16+y)
_______

6(a-2)+4

Answer 1

х-4+1= х-3
-4-16-y = -20-y
6a-12+4=6a-8

Answer 2

1)x-4
2)=-4(16+y)=-104+4y
3)=6a-12+4=6a-8