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domid24

  • 2 years ago

7x+2≤2(2x-4)+3

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  1. hal_stirrup
    • 2 years ago
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    ? what you want to know???

  2. domid24
    • 2 years ago
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    Is the inequality always, sometimes, or never true

  3. Compassionate
    • 2 years ago
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    7x + 2 ≤ 4x - 8 + 3 7x + 2 ≤ 4x - 5 7x - 4x ≤ - 5 - 2 3x ≤ - 7 7 x ≤ (-)-- 3

  4. Compassionate
    • 2 years ago
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    x = anything less-than or equal-too negative seven over three.

  5. Compassionate
    • 2 years ago
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    @hal_stirrup , I'll return the favor.

  6. hal_stirrup
    • 2 years ago
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    only if you dived by negative number than you reverse the sign!! inequality rule.

  7. hal_stirrup
    • 2 years ago
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    @Compassionate , thanks. kind of you.

  8. Compassionate
    • 2 years ago
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    Only if the 'x' is negative. Example: -3x < -3 = x > 1 On the other hand: 3x < -3 = x < 1, And the other rule: -3x < 3 = x > -1

  9. hal_stirrup
    • 2 years ago
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    sure . thats clear.

  10. Compassionate
    • 2 years ago
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    :) Glad I could help.

  11. domid24
    • 2 years ago
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    guys I'm still confused... is the inequality always, sometimes, or never true?

  12. hal_stirrup
    • 2 years ago
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    well the statement is somewhat not clear so. but this inequality is true.

  13. Compassionate
    • 2 years ago
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    It's sometimes true. Depending on what X is.

  14. hal_stirrup
    • 2 years ago
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    ok

  15. Compassionate
    • 2 years ago
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    10 For example, if x = --- , the statement is not true. 1000

  16. hal_stirrup
    • 2 years ago
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    thanks.

  17. hal_stirrup
    • 2 years ago
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    whats so important to know if the inequality always, sometimes, or never true???

  18. domid24
    • 2 years ago
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    it's my math h.w lolol

  19. Compassionate
    • 2 years ago
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    They can help in real life problems, for example read this: http://www.algebra-class.com/solving-word-problems-in-algebra.html

  20. Compassionate
    • 2 years ago
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    I have to go.

  21. hal_stirrup
    • 2 years ago
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    please ask who gave you the question the and let me know why.

  22. domid24
    • 2 years ago
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    Why?

  23. hal_stirrup
    • 2 years ago
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    i find it interesting thats all.

  24. hal_stirrup
    • 2 years ago
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    am out.

  25. domid24
    • 2 years ago
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    My math teacher and to learn

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