Question

1)-3• (9- y) =
2) 5• (-12-x):
3) -9 • (a + 7) =
4) -5 • (-8 – b) :
5) - (- 0 + 12) =
6) - (7 + n) =

Answer 1

Объяснение:

1. -3(9-у)= -27+3у

2. 5(-12-х)= -60-5х

3. -9(а+7)= -9а-63

4. -5 (-8-b)=40+5b

5. -(-0+12) = -12

6. -(7+n)= -7-n