[tex]|\frac{\sqrt{27}x}{3}+12|=2\sqrt{3}\\\\|\frac{3\sqrt{3}x}{3}+12|=2\sqrt{3}\\\\|\sqrt{3}x+12|=2\sqrt{3}[/tex]
x = (2√3 - 12)/√3
x = (2×3 - 12√3)/3
x = 3(2 - 4√3)/3
x₁ = 2 - 4√3
x = (- 12 - 2√3)/√3
x = (-12√3 - 2×3)/3
x = 3(- 4√3 - 2)/3
x₂ = - 2 - 4√3