<span>23 less than x is the same thing as saying x minus 23 which is written
as (x - 23).</span><span>
</span>
It is a sentence that contains both an independent clause and one or more subordinate clauses
Are you sure you aren’t missing another character, because I’m pretty sure that’s not a word. It could possibly be a name but I’ve even check my Japanese dictionary and nothing came up for “kataka”
