tlwsmooth101
New member
- Joined
- Aug 21, 2008
- Messages
- 3
5(z-1)=4(z+4)
5z-5=4z+16
5z-4z-20=16
z-20=16
z=16+20
z=36
the book says the answer is 21 and I got 36,can someone tell me whatit is that I am doing wrong.
5z-5=4z+16
5z-4z-20=16
z-20=16
z=16+20
z=36
the book says the answer is 21 and I got 36,can someone tell me whatit is that I am doing wrong.