Question

-a-[a+{a+b-2a-(a-2)}-b]​

Answer 1

Answer:

no no no no no no no jono no no no no no

Answer 2

Answer:

$- a - (a + (a + b - 2a - (a - 2)) - b) \\ = - a - (a + (a + b - 2a - a + 2) - b) \\ = - a - (a + ( - 2a + b + 2) - b) \\ = - a -( (a - 2a + b + 2) - b) \\ = - a - ( - a + b + 2 - b) \\ = - a + a - 2 \\ = \: \: \underline{ \underline{ - 2}}$