Question

F= I - gt
Solve for I

Answer 1

just isolate the I to get the answer.
just one more step.

Answer 2

How?

Answer 3

to solve for an equation, you isolate the wanted variable.
In this case, it is I. So you will need to cancel the -gt with I.
To cancel out the -gt, you will add gt to both side.
So the answer will be F+gt= I