Question

simplify simplify
$2a - [4b - {4a - (3b - 2a + 2b)}]$
​

Answer 1

2a−[4b−4a−(3b−

2a+2b

ˉ

)]

2a−[4b−4a−(3b−2(a+b))]

2a−[4b−4a−(3b−2a−2b)]

2a−[4b−4a−(b−2a)]

2a−[4b−4a−b+2a)]

2a−[4b−6a−b)]

2a−[4b−6a+b]

2a−[5b−6a]

2a−5b+6a

8a−5b