Question

b-[b- (a+b)-{b-(b-a+b)}+2a]​

Answer 1

Step-by-step explanation:

$b - (b - (a + b) - (b - (b - a + b)) + 2a)$

$b - (b - a - b - (b - b + a - b) + 2a)$

$b - ( - a + b + 2a)$

$b + a - b - 2a$

$- a$

Answer 2

Answer:

your answer

Step-by-step explanation:

hope it's help you XD