the difference of 3 times a number and 20 is greater then 10

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2015-11-04 09:53:32

If the number is x, then 3 times x -20 >10 and 3x-20>10. Adding 20 to both sides, we get 3x >30 and by dividing by 3 we get x >10

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the difference of 3 times a number and 20 is greater then 10

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2015-11-04 09:53:32

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