Respuestas

2013-04-18T16:25:09+02:00

1/9-x-2>2x/3

 

1/9-2>2x/3+x

-17/9>5x3

 

-17*3/9*5>x

-17/15>x

2013-04-18T16:29:22+02:00

1/9-(x+2)>2x/3

1/9-x-2>2x/3

1/9-2>2x/3+x

1/9-2>5x/3

-17/9>5x/3

-17/9*3/5>x

-17/15>x

x<-17/15

x={-inf, -17/15)