Question

1+3/2-x=1/2 preciso da resposta   

Answer 1

1+3=1
2-x   2


2.1+3=1.2-x
2+6=2-1x
1x=2-2-6
x=-6

Answer 2

1 + 3 - x = 1
     2        2                     mmc = 2
 2 + 3 - 2x = 1
- 2x = 1 -3 - 2 
-2x = - 4     x( -1)
 2x = 4
   x = 4/2
    x = 2