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sammy12

  • 4 years ago

I need help on this question.It's about absolute values.I am getting 2 answers for this question. x=3 and x=-1/3 .Please can you check it for me. I will draw the question.

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  1. sammy12
    • 4 years ago
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    |dw:1324193862149:dw|

  2. saifoo.khan
    • 4 years ago
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    |dw:1324193950856:dw|

  3. sammy12
    • 4 years ago
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    2

  4. saifoo.khan
    • 4 years ago
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    your answers are correct.

  5. sammy12
    • 4 years ago
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    but answer is -1/3 on the paper

  6. yajjnobee
    • 4 years ago
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    th answer is x=2

  7. sammy12
    • 4 years ago
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    x=-1/3

  8. sritama
    • 4 years ago
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    i think x=2

  9. sammy12
    • 4 years ago
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    can you show me.

  10. yajjnobee
    • 4 years ago
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    ahm, 2x-x-1-1=0 x-2=0 x=2//.

  11. sritama
    • 4 years ago
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    i have squared both side

  12. sammy12
    • 4 years ago
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    this question is from math tournament.I have the answer sheet.The answer is x=-1/3

  13. sritama
    • 4 years ago
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    how did u get -1/3 ?

  14. sammy12
    • 4 years ago
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    i changed the signs after the equal sign

  15. sammy12
    • 4 years ago
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    i am getting 2 answers x=3 (without changing the signs) .x=-1/3(with changing the signs

  16. sritama
    • 4 years ago
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    3 ??

  17. sammy12
    • 4 years ago
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    2x-1=x+2 The answer is x=3

  18. sammy12
    • 4 years ago
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    2x-1=-x-2 The answer is x=-1/3

  19. sritama
    • 4 years ago
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    x-2 ? not x-1 ?

  20. sritama
    • 4 years ago
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    sorry it is + not -

  21. sammy12
    • 4 years ago
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    i changed the signs

  22. sammy12
    • 4 years ago
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    after the equal sign

  23. yajjnobee
    • 4 years ago
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    2x-x-1+2=0 x-3=0 x=3

  24. yajjnobee
    • 4 years ago
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    2x-1+x+2=0 3x+1=0 3x=-1 x=-1/3

  25. sritama
    • 4 years ago
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    square both side,u will find ur answers are correct

  26. sammy12
    • 4 years ago
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    so my answers are right.

  27. yajjnobee
    • 4 years ago
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    yeah

  28. sritama
    • 4 years ago
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    yes,i think that

  29. sammy12
    • 4 years ago
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    but the answer is x=-1/3 on the paper.

  30. sritama
    • 4 years ago
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    there is nothing wrong with x=3 , it is also right

  31. sammy12
    • 4 years ago
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    Thank you so much

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