Question 686042
-5 - 3/a = 
to solve this, it has to equal something, assume it is 0
- 5 - {{{3/a}}} = 0
Add 5 to both sides and you have
{{{-3/a}}} = 5
multiply both sides by a
-3 = 5a
divide both sides by 5
{{{-3/5}}} = a