SAT Question f2b63f49: Linear Equations In One Variable answer and explanation with Desmos solution

It's given that $8x-7x+130=260$. Combining like terms on the left-hand side of this equation yields $x+130=260$. Subtracting $130$ from each side of this equation yields $x=130$. Therefore, the value of $x$ that's the solution to the given equation is $130$.