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Three times the difference between ten times a number and three is eighty-one.

Three times the difference between ten times a number and three is eighty-one.
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Three times the difference between ten times a number and three is eighty-one.

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User Minakshi
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n-the\ number\\\\3(10n-3)=81\ \ \ \ |divide\ both\ sides\ by\ 3\\\\10n-3=27\ \ \ \ \ |add\ 3\ to\ both\ sides\\\\10n=30\ \ \ \ \ |divide\ both\ sides\ by\ 10\\\\\boxed{n=3}
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User Minor Threat
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