[tex] \\ 5(x - 1) - 6x - 3(x - 3) = 0 \\ 5x - 5 - 6x - 3x + 9 = 0 \\ 5x - 6x - 3x = - 9 + 5 \\ 5x - 9x = - 4 \\ - 4x = - 4 \\ \\ x = \frac{ - 4}{ - 4} \\ \\ x = 1[/tex]
