Answer :
[tex]Question:[/tex]
[tex]Find\:the\: value\: of\: x\: \\in\:27 +3x =39[/tex]
[tex]Answer:[/tex]
[tex]x=4[/tex]
[tex]Step-by-step\:\:explanation:[/tex]
[tex]> 27 +3x =39[/tex]
[tex]> 3x =39-27[/tex]
[tex]> 3x =12[/tex]
[tex]> x = \frac{12}{3}[/tex]
[tex]> x=4[/tex]