Answer:
[tex]x=2[/tex]
Step-by-step explanation:
[tex]3x+1= 7[/tex]
[tex]3x = 6\\ \[/tex] Subtract both sides by 1.
[tex]\frac{3x}{3} = \frac{6}{3}[/tex] Divide both sides by the coefficient.
[tex]x = 2[/tex]
Check your work:
[tex]3x+1=7 \\ 3(2)+1=7[/tex]
[tex]6+1=7\\7=7[/tex]
[tex]x=2[/tex]
