A number, n , is added to 15 less than 3 times itself. The result is 101 Which equation can be used to find the value of n ?

Three times the number is 3n. Fifteen less than that is 3n − 15, and adding the number n gives 3n − 15 + n. Setting the result equal to 101 gives 3n − 15 + n = 101, which is choice C.

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