I'm assuming that you mean

because if you meant

then u would simplify and you couldn't make it the subject.
Under this assumption, we start with

We multiply both sides by 

We expand the left hand side:

We move all terms involving u to the left and all terms not involving u to the right:

We factor u on the left hand side:

We divide both sides by 

Answer:
Its Either 3% Or 7% Pretty Sure Its 7% Because of Tax Stuff
Step-by-step explanation:
Answer:
Ty :)
Step-by-step explanation:
I lost all my points bc a moderator (LukeG1) >:(