Question

3xsobre2 - 1 = 3x+2sobre 4

Answer 1

3x/2 - 1 = 3x + 2/4

(3x - 2)/2 = (2 * 3x + 1)/2

(3x - 2) = (6x + 1)/2

2 (3x - 2) = 2 (6x + 1)

6x - 4 = 12x + 2

6x - 12x = 2 + 4

- 6x = 6

x = 6/-6

x = - 1

Solución : 

x = - 1