Well, we can add 512 x to the negative 3 to both sides, so you get 2x is equal to 512 x to the negative 3rd power. We can multiply both sides times x to the 3rd power, multiply both sides times x to the 3rd, so all of the x's go away on the right-hand side. So you get 2x to the 4th is equal to 512. We can divide both sides by 2, and you get x to the 4th power is equal to 256. And so what is the 4th root of 256? Well, we could take the square root of both sides just to help us here. So let's see, if we take, so it's going to be x squared is going to be equal to, 256 is 16 squared, so this is 16, this is going to be x squared is equal to 16, or x is equal to 4.