Answer:
[tex]6x + 6 = 5x + 18 \\ 6x = 5x + 18 - 6 \\ 6x = 5x + 12 \\ 6x - 5x = 12 \\ 1x = 12 \\ x = \frac{12}{1} \: or \: x = 12[/tex]
[tex]\huge\mathsf\pink{Answer}:—[/tex]
[tex]6x+6=5x+18 \\ 6x - 5x = 18 - 6 \\ x = 12[/tex]