Question 157898
{{{(9w+1)/2+(w-4)/4=28}}}

{{{(18w+2)/4+(w-4)/4=28}}}

{{{(19w-2)/4=28}}}
{{{(19w-2)=112}}}
{{{19w=114}}}
{{{w=114/19 = 6}}}

Answer: w=6