Question

la solucion de la ecuacion 1/2x -3/4x =5 , es ?

Answer 1

1/2x - 3/4x = 5

x/2 - 3/4x = 5

((2x + (- 3x))/4 = 5

2x - 3x = 5 * 4 

- x = 20

x = - 20

Solución : 

x = - 20