SAT Question 45bba652: Linear Equations In One Variable answer and explanation with Desmos solution

Choice B is incorrect and may result from subtracting $5$, not dividing by $5$, on both sides of the equation $5(x-5)=10$.

Choice C is incorrect. This is the value of $x$, not the value of $x-5$.

Choice D is incorrect. This is the value of $x+5$, not the value of $x-5$.