Respuesta :
Add 2/5x
-9 < 9/10 +2/5x
Subtract 9/10
-9 9/10 < 2/5x
Multiply by 5/2
(-99/10)*(5/2) < x
-99/4 < x
or, if you prefer, ...
-24 3/4 < x
-9 < 9/10 +2/5x
Subtract 9/10
-9 9/10 < 2/5x
Multiply by 5/2
(-99/10)*(5/2) < x
-99/4 < x
or, if you prefer, ...
-24 3/4 < x