You can put this solution on YOUR website! Solve the inequality and express the solution in interval notation.
2|4x|-9 is >or equal to 3
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2|4x|-9 >= 3
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|4x| >= 6
4x <=-6 or 4x >=6
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x <=-3/2 or x >= 3/2
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(-inf,-3/2]U[3/2,+inf)
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Cheers,
Stan H.