You can put this solution on YOUR website! solve: the absoulute value of 2x-1 over 3 is greater than or equal to 4.
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|(2x-1)/3| >=4
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This means:
(2x-1)/3 >=4 or (2x-1)/3 <- -4
2x-1>=12 or 2x-1<=-12
2x>=13 or 2x<=-11
x >= 13/2 or x <= -11/2
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Cheers,
Stan H.