Question

Cual es su solución??

2{[(x-1)/4] -4}-3[(2x/9)-1]=9

Answer 1

2(((x-1)/4-16/4)-3(2x/9-9/9)=9
2((x-1-16/4)-3(2x-9/9)=9
2((x-17/4)-(6x+27/9)=9
(2x/4-34/4-6x/9+27/9=9
18x/36-306/36-24x/36+108/36=324/36
18x-306-24x+108=324
18x-24x=324+306-108
-6x=630-180
-6x=450
X=450/-6
X=-75