How to solve 2+1/6a=-4
\(2+ \frac{1}{6a} =-4\Leftrightarrow 6+\frac{1}{6a}=0\Rightarrow 36a=-1\Rightarrow a=-1/36\)
\(2+ \frac{1}{6}a=-4\)\(\frac{1}{6}a=-6\)\(1a=-6*6\)\(a=-36\)