SOLUTION: -2/5x - 9 < 9/10. PLease show work thats negative 2 over 5 and 9 over 10.

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Question 662250: -2/5x - 9 < 9/10. PLease show work
thats negative 2 over 5 and 9 over 10.
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
-2/5x - 9 < 9/10
isolate x
-2/5x < 9/10 + 9
-2/5x < 9 9/10
-2/5x < 99 / 10
multiply both sides by -5/2
note sign change
x > 99/10 (-5/2)
x > 99/2 (-1/2)
x > -99/4
x > -24 3/4
Proof
-2/5(-99/4)
198/20 - 9
198/20 - 180/20
18/20 is the same as 9/10