Which expression represents “seven less than three times a number”?

a.7 - 3n
b.3n - 7
c.3 - 7n
d.7n - 3

B. 3n-7

Step-by-step explanation:

The words seven less than means that seven will be subtracted. 3 times a number means that 3 is being multiplied by an unknown value or variable. Thats how you get 3n - 7

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step-by-step explanation: