SAT Question 722de804: Nonlinear Equations In One Variable And Systems Of Equations In Two Variables answer and explanation with Desmos solution

Taking the square root of each side of the given equation yields $x-47=1$ or $x-47=-1$. Adding $47$ to both sides of the equation $x-47=1$ yields $x=48$. Adding $47$ to both sides of the equation $x-47=-1$ yields $x=46$. Therefore, the sum of the solutions to the given equation is $48+46$, or $94$.