What is #n-{1-[n-(1-n)-1]}#?

1 Answer
sankarankalyanam
May 2, 2018

#color(blue)(=> 3n - 3#

Explanation:

#n-{1 - [n - (1 - n) - 1]}#

#=> n -1 + [n - (1 - n) - 1], color(red)("Removing {} bracket"#

#=> n - 1+ n - (1-n) -1, color(red)("Removing [] bracket"#

#=> n - 1 + n -1 + n - 1, color(red)("Removing () bracket"#

#=> n + n + n -1 -1 -1, color(red)("Rearranging Like terms"#

#color(blue)(=> 3n - 3#

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