Find the value of x in the equation 2 sqaure root x+20 = 15+3 square root x

Evaluate the given expression if m=45 |-3m|

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

What is the solution to the equation e3x=12? round your answer to the nearest hundredth