Question

Simplify: a - [b - {c-(d - 2a)}].​

Answer 1

$\huge\red{\mathfrak{Answer}}$

a - [b - {c-(d - 2a)}]

a - [b - {c-d + 2a}]

$a - [b - c + d -2a] \\ \\ a - b + c - d + 2a \\ \\ 3a - b + c - d$

#BeBrainly

Answer 2

Answer

Here we need to simplify.

We will start by opening the inner most brackets.

⇰ a - [b - {c-(d - 2a)}]

⇰ a - [b - {c - d + 2a}]

⇰ a - [b - c + d - 2a]

⇰ a - b + c - d + 2a

࿇Answer⇒ 3a - b + c - d