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Marques Gilmore
Mathematics
26 September, 08:10
What is the solution of 3|2x + 7| - 9 <0?
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Fifi
26 September, 08:22
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-5 < x < - 2.
Step-by-step explanation:
3|2x + 7| - 9 <0
3|2x + 7| < 9 Divide through by 3:
|2x + 7| < 3
2x + 7 < 3
2x < - 4
x < - 2.
Also 2x + 7 > - 3
2x > - 10
x > - 5.
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