To solve the equation 53x - 26x = 1863, you need to combine like terms on the left side of the equation first. 53x - 26x = 1863 (53 - 26)x = 1863 27x = 1863 Now, to isolate x, divide both sides of the equation by 27: 27x/27 = 1863/27 x = 69 So, the solution to the equation is x = 69.