Question 480376
{{{a/3-9/2=2a+1}}}
{{{a/3-2a=1+9/2}}}
{{{(a-6a)/3=(2+9)/2}}}
{{{-5a/3=11/2}}} multiply by 3
{{{-5a=33/2}}} divide by (-5)
{{{a=-33/10}}}
{{{a=-3.3}}}