Question

a-[a-b+a - {a - (a - b-a)}]​

Answer 1

Answer:

a-[a-b+a-{a-(a-b-a)}]

=a-[a-b+a-{a-a+b+a}]

=a-[a]

=a-a

=0

Answer 2

$\huge{\underline{\pink{\mathfrak{AnSwEr}}}}$

$\huge\orange{\ddot\smile}$

a - [ a- b + a - { a ( a - b - a ) } ]
= a - [ a- b + a - { a ( -b ) } ]
= a - [ a - b + a - { a - b } ]
= a - [ a - b + a - a + b ]
= a - [ a ]
= a - a
= 0