Resolvemos para X
[tex] \frac{1}{2} x + 2 = 6 \\ \\ 3( \frac{1}{3} x + 2) = 3 \times 6 \\ \\ 3 \times \frac{1}{3} x + 3 \times 2 = 18 \\ \\ x + 6 = 18 \\ \\ x + 6 - 6 = 18 - 6 \\ \\ x = 18 - 6 \\ \\ x = 12[/tex]
Rpta: x = 12
