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-a-[a+{a+b-2a-(a-2b)}] plz solve with full solution |
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Answer» = -a-[a+{a+b-2a + a-2b)}] = -a-[a+{2a +b -4b)}] = -a-[a+{2a - 3b)}] = -a-[a+ 2a - 3b ] = -a -[ 3a - 3b ] = -a - 0 = -a |
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