Answer:
[tex]3x - (x - 4) = 18 \\ or \: 3x - x + 4 = 18 \\ or \: 2x + 4 = 18 \\ or \: 2x = 18 - 4 \\ or \: 2x = 14 \\ or \: \frac{2x}{2} = \frac{14}{2} \\ or \: x = 7 \\ \\ therefore \: the \: value \: of \: x \: is \: 7.[/tex]
Thank you ☺️☺️
