The document contains steps to solve the equation (x+6) = 12x. The solution is found to be x = 3.

1. Ejercicios.3(x+6) = 12x<br /> 3x 3 = x o 3 = x 3x+18 = 12x<br /> 9 12 12 x+6 18= 12x-3x<br />1296 18= 9x<br /> 18/9 = X = 2<br /> <br /> x = 6 (x+1)(x+3) = x (x+5)<br />X+1 x 5 4 3x+ 1x+3 = 5x<br /> 4x+3 = 5x<br /> X+5 x+3 3 = 5x – 4x<br /> 3 = 1x<br /> 3/1 = x = 3<br /> 2(x+5) = 8x<br /> 2 = X o 2 = X 2x + 10 = 8x<br />2X 6 5 8 x+5 10 = 8x – 2x<br /> 85 10 = 6x<br />10 / 6 = x = 5/3<br /> <br />