SOLUTION: Solve the inequality 21/15-3x<0

Question 82679This question is from textbook
: Solve the inequality 21/15-3x<0 This question is from textbook

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Solve the inequality 21/15-3x<0
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If you mean (21/15)-3x<0
Then -3x < -7/5
And x > 7/15
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If you mean 21/(15-3x)<0
Then 1/(15-3x)<0
This fraction will be <0 when 15-3x is negative
Solve 15-3x<0
3x>15
x>5
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Comment:
As you can see here, parentheses are important; they change the problem.
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Cheers,
Stan H.

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