What is the solution of sqrt x+12=x

Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

Can someone me with this? i’m not sure what to put for my equations.