Asked by robert
Write an expression for the difference of three times a number and 9.
Answers
Answered by
mathhelper
difference means you subtracted
three times a number ---- 3x
so I guess you want
3x - 9 or 9 - 3x, since you did not specify which is the larger.
three times a number ---- 3x
so I guess you want
3x - 9 or 9 - 3x, since you did not specify which is the larger.
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