#### crappiefisher26

##### New member

- Joined
- Jul 23, 2006

- Messages
- 49

They don't give any examples though. I have tried one exercise, and this is what I got:

. . .x/4 - 1/5 = (4x + 3) / 20

. . .20[(x/4) - 20(1/5)] = 20[(4x + 3) / 20]

. . .5x - 4 = 4x + 3

. . .5x - 4x = 3 + 4

. . .x = 7