Complex 1-variable Equations: Lesson 3.4 Solving

He multiplied (yes, even the lonely ( + \frac{x}{4} )) by 12:

Now move variables: subtract (10x) from both sides: (x - 4 = 4) lesson 3.4 solving complex 1-variable equations

[ 5x - 6x + 8 = 8 - x - 6 ]