SAT Question 4771a64a: Linear Equations In One Variable answer and explanation with Desmos solution

Subtracting $5$ from each side of the given equation yields $-7\left(2-4x\right)=11-8\left(2-4x\right)$. Adding $8\left(2-4x\right)$ to each side of this equation yields $2-4x=11$. Therefore, the value of $2-4x$ is $11$.