Question

resuelve la ecuación 9/4x+7=1/2-x

Answer 1

9/4x + 7 = 1/2 - x

9x/4 + 7 = (1 - 2x)/2

(9x + 28)/4 = (- 2x + 1)/2

9x + 28 = - 4x + 2

9x + 4x = 2 - 28

13x = - 26

x = -26/13

x = - 2

Solución : 

x = - 2