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Don't just answer but explain how to do it please
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Don't just answer but explain how to do it please

Don't just answer but explain how to do it please-example-1
User AlexanderM
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12 - absolute value of -21 so with those two vertical lines it means it wants the absolute value of them which means that number but positive so AV of 12 - AV of -21 which basically means 12-21 which is -9
User Ermin Dedovic
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