Question

Resolva a equação: x=1/2(x-1)

Answer 1

 x = 1/2 (x-1) 
x = x/2 - 1/2
x = (x-1)/2
2x = x-1
2x - x = -1
       x = -1

Answer 2

 x = 1/2 (x-1) 
x = x/2 - 1/2
x = (x-1)/2
2x = x-1
2x - x = -1
       x = -1