SOLUTION: Solve the inequality: -4-2n+4n>7-4

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Question 223289: Solve the inequality:
-4-2n+4n>7-4
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
-4-2n+4n>7-4
2n>7-4+4
2n>7
n>7/2
n>3.5 ans.
Proof:
Let n=3.6
-4-2*3.6+4*3.6>7-4
-4-7.2+14.4>3
-11.2+14.4>3
3.2>3