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simonsoleiro

can somebody solve this

  • 2 years ago
  • 2 years ago

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  1. naf
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    wht?

    • 2 years ago
  2. simonsoleiro
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    \[3^{3x+1}=9^{x-1}\]

    • 2 years ago
  3. sheg
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    hi simon how u doin?

    • 2 years ago
  4. simonsoleiro
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    not bad m8

    • 2 years ago
  5. simonsoleiro
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    yourself

    • 2 years ago
  6. simonsoleiro
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    stuck on this equation

    • 2 years ago
  7. sheg
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    \[3^{2x+1} = 3^{2(x-1)}\]

    • 2 years ago
  8. sheg
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    see here we have common base on both the sides so equate the powers \[2x + 1 = 2 \times (x - 1)\] then solve it for x

    • 2 years ago
  9. simonsoleiro
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    what does equate mean

    • 2 years ago
  10. sheg
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    means as base is same so the powers will be equal

    • 2 years ago
  11. simonsoleiro
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    look at the equation i wrot its 3^3x+1

    • 2 years ago
  12. sheg
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    no it will be \[9^{x-1} = 3^{2 \times (x-1)} = 3^{2x-2}\]

    • 2 years ago
  13. sheg
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    oh so sorry so in that case \[3x + 1 = 2x - 2\]

    • 2 years ago
  14. simonsoleiro
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    i got that bit so i add 2x and 3x

    • 2 years ago
  15. sheg
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    \[3x - 2x = -1 - 2 \] \[x = -3\]

    • 2 years ago
  16. simonsoleiro
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    yes i see now thank you my friend

    • 2 years ago
  17. simonsoleiro
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    did you add me on facebook

    • 2 years ago
  18. sheg
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    did u receieved my request

    • 2 years ago
  19. simonsoleiro
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    i havnt recieved it yet

    • 2 years ago
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