You can put this solution on YOUR website! 4|2x+3|-1>19
...
4|2x+3| > 19 + 1
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4|2x+3| > 20
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|2x+3| > 20/4
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2x+3 > 5
2x > 5 - 3
2x > 2
x > 1
AND
2x+3<-5
2x<-5-3
2x<-8
x<-4
...
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