Math, asked by shivavanamamalai, 10 months ago

-a- [a+[a+b-2a- (a-2b)-b

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Answers

Answered by Anonymous

1

Answer:

- 2b

Step-by-step explanation:

- a - [a + [a + b - 2a - (a - 2b) - b] ]

= - a - [a + [a + b - 2a - a + 2b - b] ]

= - a - [a + [a - 2a - a + b + 2b - b] ]

= - a - [a + [- 2a + 2b] ]

= - a - [a - 2a + 2b]

= - a - [- a + 2b]

= - a + a - 2b

= - 2b

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