SOLUTION: 3+square root of 3x+39=12

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Question 1061965: 3+square root of 3x+39=12
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
3%2Bsqrt%283x%2B39%29=12

Isolate the square root and then square both sides. Determine if any found solution does or does not work.

sqrt%283x%2B39%29=9
3x%2B39=81
3x=81-39
3x=42
3x=2%2A3%2A7
highlight%28x=14%29