Sherry S. answered 09/22/16
Tutor
4.9
(89)
Master of Education with 20+ years' experience
the goal is to get a all by itself, so you have to get rid of the 6. To do that, you will subtract 6 from both sides [what you do to one side, you have to do to the other].
so...
a + 6 = 11
- 6 - 6
a = 5
:) Colossians 3:23