Question 362728
{{{1/6(a-4) = 1/3 (2a+4)}}}.  Cross-multiply across the equation to get
{{{6(a-4) = 3 (2a+4)}}},
{{{2(a-4) = 2a+4}}}, after dividing both sides by 3.
{{{2a-8 = 2a+4}}},
{{{-8 = 4}}}.  This is a false statement, and so the equation doesn't have a solution.