SOLUTION: solve and graph the solution set for 2x+1<3-x< 2x+5
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Question 916770: solve and graph the solution set for 2x+1<3-x< 2x+5
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
solve and graph the solution set for
2x+1<3-x< 2x+5
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Subtract 3 along the line to get:
2x-2 < -x < 2x+2
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Note: Multiplying by -1 reverses the inequality::
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-(2x+2) < x < -(2x-2)
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-2x-2 < x < -2x+2
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Solve:: x = -2x-2
3x = -2
x = -2/3
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Solve:: x = -2x+2
3x = 2
x = 2/3
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Ans -2/3 < x < 2/3
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Cheers,
Stan H.
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