Question

removal of bracket . if you give correct answer then i will follow you . and give brainlist marks​

Answer 1

2a-b-d

Step-by-step explanation:

3a-[a+b-{a+b+c-(a+b+c+d)}]

= 3a-[a+b-{a+b+c-a-b-c-d}]

= 3a-[a+b-{a-a+b-b+c-c-d}]

= 3a-[a+b-{-d}]

= 3a-[a+b+d]

= 3a-a-b-d

= 2a-b-d

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