Question 633979
{{{5/2a +1/6a -3/a=2}}}
Take LCD
{{{((5)(3)+1-(3)(6))/6a=2}}}
{{{(15+1-18)/6a=2}}}
{{{16-18=(2)(6a)}}}
{{{-2=12a}}}
{{{-2/12=a}}}
{{{a=-2/12}}}
{{{a=cross(-2)/cross(12)}}}
{{{a=-1/6)}}}