Question 284487
5/t + 4 = 1

Multiply each term by the LCD which is t in this case.

(5/t) times t = 5

4 times t = 4t

1 times t = t

We now have 5 + 4t = t

5 = t - 4t

5 = -3t

5/-3 = t

Done!

NOTE: We can also write 5/-3 as -5/3.  They both mean the same thing.