Răspuns:
[tex]2 \times [3 \times (x-45)-67]=107 \\ \\ 2 \times (3x - 135 - 67) = 107 \\ \\ 6x - 2 \times 202 = 107 \\ \\ 6x = 107 +404 \\ \\ 6x = 511 = > x = \frac{511}{6}[/tex]