Question 328326
{{{7(w-4)=28}}}
{{{7w-28=28}}}<--- Distribute the 7 on the left hand side.
{{{7w-28+28=28+28}}}<--- Add 28 to both sides.
{{{7w=56}}}<--- Simplify
{{{w=56/7}}}<--- Divide both sides by 7.
{{{highlight(w=8)}}}<--- Final answer.