The square of a number is 12 less then 7 times the number. 2hat is the number

Hello.

The are answer is 4 or 3 


3^2 = 7(3) - 12
9 = 21 - 12
9 = 9

4^2 = 7(4) - 12
16 = 28 - 12
16 = 16

Have a nice day

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