Question 164209
Almost.
Two things to fix. 
1. 3/4=9/12 and not 6/12. 
2. Multiplication/division by a negative, in an inequality, changes the direction of the sign of the inequality. 

Substitute this correction and change the direction when you multiply by the negative.
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All the other steps are correct.
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Remember you can always check your answer by choosing a couple of points and verifying the inequality.