1. ## algebra

hi everyone

z-1 =2z+3
_________
z+3= 2z-3

2. Originally Posted by anton5
hi everyone

z-1 =2z+3
/ /
z+3= 2z-3

z-1=2z+3

-1-3=2z-z

z=-4

z+3=2z-3

3+3=2z-z

z=6

3. Thank you mathaddid for your help but I don't understand how you set the equation up. could you write it with the "____" please