[tex]General\ equation\ for\ line\ in\ slope\ intercept\ form:\\\\y=ax+b\\
a-slope\ \ \ a=\frac{3}{4}\\\\
y=\frac{3}{4}x+b\\\\Substitude\ point\ (-8,4)\\\\
4=\frac{3}{4}*(-8)+b\\\\
4=-\frac{24}{4}+b\ \ \ |Add\ -\frac{24}{4}\\\\
4+\frac{24}{4}=b\\\\
b=4+6=b\\\\
b=10\\\\
\textbf{Formula\ for\ line:}y=\frac{3}{4}x+10[/tex]