nswer: x=8n+7
Step-by-step explanation:
[tex]3\left(x+1\right)=8\left(3+3n\right)[/tex]
[tex]\frac{3\left(x+1\right)}{3}=\frac{8\left(3+3n\right)}{3}[/tex]
[tex]x+1=8\left(n+1\right)[/tex]
[tex]x+1-1=8\left(n+1\right)-1[/tex]
[tex]x=8n+7[/tex]
