Question : Simplify the given expression: $b + 2a - [(3b + a) - (2a + b) + 2a] - a$

Option 1: $-a$

Option 2: $b$

Option 3: $-b$

Option 4: $a$


Team Careers360 21st Jan, 2024
Answer (1)
Team Careers360 22nd Jan, 2024

Correct Answer: $-b$


Solution : Given expression,
$b + 2a - [(3b + a) - (2a + b) + 2a] - a$
$= b + 2a - [3b + a - 2a - b + 2a] - a$
$= b + 2a - a - 2b - a$
$= - b$
Hence, the correct answer is $-b$.

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