Question

quanto e x/5 - 1 = x/2
( / e fraçao )

Answer 1

 x   - 1  =   x
---             ---
 5              2

(x - 5)   =  x
--------      ---
    5          2

2 (x - 5) = 5x

2x -10 = 5x

-3x = 10

x = -10/3