Question

-20+10-4+(7-8) hw to solve

Answer 1

_20-4-8+10+7
-32+17
-15

Answer 2

Use BODMAS Rule

-20 + 10 - 4 + (7 - 8)
= -20 + 10 - 4 + (-1)
= -20 + 10 - 4 -1
= -25 + 10
= -15 (Ans.)