Translate the phrase into a mathematical expression and then simplify. Nine times a number decreased by three times the same number.
Write the corresponding mathematical expression?
The simplified expression is?

Question

Translate the phrase into a mathematical expression and then simplify.  Nine times a number decreased by three times the same number.
Write the corresponding mathematical expression? 
The simplified expression is?

unklerhaukus · Answer

Nine times a number decreased by three times the same number.

   9      x             n             -               3          x             n

anonymous · Answer

so the simplified expression is 6n..would 6x be an expression using x as the variable?

unklerhaukus · Answer

oh yeah i used n as the variable for the number ,   you could uses X ,
i choose n so it wouldn't look like x for multiplication

anonymous · Answer

thnks