Math, asked by rameshkannojia027, 11 months ago

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

Answers

Answered by Anonymous

1

Step-by-step explanation:

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

(-a) - [ 2a - 3a + 3b - b ]

-a - [ -a + 2b ]

-a + a - 2b

= -2b

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