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MOJUTMNT

  • 3 years ago

What is the solution set of |2x + 4| < 10?

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  1. Grazes
    • 3 years ago
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    |dw:1360210275097:dw| Does this help?

  2. MOJUTMNT
    • 3 years ago
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    Then I try to solve the two? Yeah I got it. Thanks meng.

  3. ZakaullahUET
    • 3 years ago
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    @Grazes dont u think the inequility will flip in the 2nd one???

  4. mathstudent55
    • 3 years ago
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    |2x + 4| < 10 -10 < 2x + 4 < 10

  5. Grazes
    • 3 years ago
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    whoops?

  6. ZakaullahUET
    • 3 years ago
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    |dw:1360210702537:dw|

  7. mathstudent55
    • 3 years ago
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    Solve -10 < 2x + 4 < 10 like you would solve a regular inequality. Whatever you do to the middle part to get x by itself, do also to the left side and right side. First, subtract 4 from all three parts: -14 < 2x < 6 Now divide all parts by 2 -7 < x < 3 The above inequality means that x is greater than -7 and less than 3.

  8. ZakaullahUET
    • 3 years ago
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    @mathstudent55 best answer

  9. mathstudent55
    • 3 years ago
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    @ZakaullahUET Thanks

  10. ZakaullahUET
    • 3 years ago
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    u r welcome :P

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