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OpenStudy (anonymous):
Simplify {n - 1 - [n - 1 - (n - 1)]}. A. n - 1 B. -n - 1 C. 3n - 3 D. -3n + 3
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OpenStudy (aum):
Get rid of the innermost parenthesis first and work your way outwards.
OpenStudy (aum):
{n - 1 - [n - 1 - (n - 1)]} = {n - 1 - [n - 1 - n + 1]} Got rid of the innermost ( ). Simplify above.
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