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sydneyjolie

  • one year ago

solve equation: 2(2)^(x-8)-2=14 express answer using log

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  1. satellite73
    • one year ago
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    add two to both sides divide both sides by 2 you do not need logs for this

  2. sydneyjolie
    • one year ago
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    2/2(2)^(x-8)=16/2 2^(x-8)=8

  3. Mertsj
    • one year ago
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    Now write 8 as 2^3

  4. sydneyjolie
    • one year ago
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    2^(x-8)=2^3

  5. Mertsj
    • one year ago
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    Now. The expressions are equal, the bases are the same so the exponents must be the same. Write and solve that equation.

  6. sydneyjolie
    • one year ago
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    x-8=3 x=11

  7. satellite73
    • one year ago
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    yes!

  8. sydneyjolie
    • one year ago
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    Thank you!

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