Respuesta :

nitreuxvyrus

Answer:

Divide each side by 3, x=2

Step-by-step explanation:

[tex]\\ \sf{:}\dashrightarrow 3x+1=7[/tex]

  • Take 1 to right

[tex]\\ \sf{:}\dashrightarrow 3x=7-1[/tex]

[tex]\\ \sf{:}\dashrightarrow 3x=6[/tex]

[tex]\\ \sf{:}\dashrightarrow x=2[/tex]