SOLUTION: The square root of a number is multiplied by 3, and 7 is subtracted from the product. If the result is 5, what is the number?

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Question 995705: The square root of a number is multiplied by 3, and 7 is subtracted from the product. If the result is 5, what is the number?
Answer by ikleyn(52786) About Me  (Show Source):
You can put this solution on YOUR website!
.
3%2Asqrt%28x%29-7 = 5.

3%2Asqrt%28x%29 = 5%2B7,

sqrt%28x%29 = 12%2F3 = 4,     now square both sides ----->

x = 16.