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vegas14

  • 3 years ago

Show the work to solve |3x – 2| < 7

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  1. lgbasallote
    • 3 years ago
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    hint: solve for x in 3x - 2 < 7 AND 3x - 2 > -7 does that help? or do you need more help?

  2. vegas14
    • 3 years ago
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    i need a lttle more

  3. lgbasallote
    • 3 years ago
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    okay... what do you get for x in 3x - 2 < 7?

  4. lgbasallote
    • 3 years ago
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    hint: start by adding 2 to BOTH sides

  5. vegas14
    • 3 years ago
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    5x and 9

  6. lgbasallote
    • 3 years ago
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    no... you CAN'T combine 3x an 2

  7. lgbasallote
    • 3 years ago
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    -2 and 2 will just cancel

  8. lgbasallote
    • 3 years ago
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    so you have 3x < 9 got it?

  9. vegas14
    • 3 years ago
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    yah thanks!!

  10. lgbasallote
    • 3 years ago
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    now divide both sides by 3

  11. vegas14
    • 3 years ago
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    x<3

  12. lgbasallote
    • 3 years ago
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    right.

  13. lgbasallote
    • 3 years ago
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    so that's for 3x - 2 < 7

  14. lgbasallote
    • 3 years ago
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    now solve for x in 3x - 2 > -7 what do you get?

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