Respuesta :

10(2x-4)=100x

20x-40=100x

-40=100x-20x

-40= 80x

-40/80x= -0.5

10(2x-4)=100x

20x-40=100x

20x=100x+40

20x-100x=40

-80x=40

Answer : x= - 1/2