SOLUTION: -n/3 < 3/4 I tried: -3(-n/3) < -3(3/4) n < -9/4 But how do you insert -9/4 in the place of n in the original problem to prove it? You can't place a fraction over the 3...

Question 167066: -n/3 < 3/4
I tried:
-3(-n/3) < -3(3/4)
n < -9/4
But how do you insert -9/4 in the place of n in the original problem to prove it? You can't place a fraction over the 3... Please help. Thanks!
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
-n/3 < 3/4
n>-3(3/4) multiplying by a negative vale changes the < sign to a > sign.
n>-9/4
Proof:
let n=-8/4
-(-8/4)/3<3/4
-(-2)/3<3/4
2/3<3/4
2<3
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