please slove 7 question 1,2,3,4 parts please
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arya64:
please na slove it fast
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I think it will help you
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7)
v)(in the attachment)
vi)20a-[3b-4{2a-(b-2a-b)}]
=>20a-[3b-4{2a+2a}]
=>20a-[3b-4(4a)]
=>20a-[3b-16a]
=>20a-3b+16a
=>36a-3b
v)(in the attachment)
vi)20a-[3b-4{2a-(b-2a-b)}]
=>20a-[3b-4{2a+2a}]
=>20a-[3b-4(4a)]
=>20a-[3b-16a]
=>20a-3b+16a
=>36a-3b
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