How do we express three less than a number?

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Answer 1 · 2016-09-23T21:27:09

Three less than a number #x# is #x-3#

The expression "less than" means substriction, so "three less than a number #x#" is #x-3#

Answer 2 · 2016-10-03T08:59:25

a number subtract 3 #-># a number - 3

In algebra: let any number be #x# then we have #x-3#

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