Question

- [ - ( 3 + 5 ) + 2 + ( - 1 + {-7 } ) ] =

A. 1
B. 0
C. -1
D. -2

Answer 1

$- ( - (3 + 5) + 2 + ( - 1 + ( - 7))) \\ - ( - (8) + 2 + ( - 1 - 7)) \\ - ( - 8 + 2 + ( - 8)) \\ - ( - 8 + 2 - 8) \\ - ( - 16 + 2) \\ - ( - 14) = 14$