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algebra

posted by on .

can someone plzs help me

solve the equations by finding the exact solutions
ln(x)-ln(5)=7

the next one is
ln(e)=ln(with a v like symbol with 2/x)-ln(e)

  • algebra - ,

    ln x - ln 5 = 7
    ln(x/5) = 7 , by rules of logs

    x/5 = e^7 , by definition of ln
    x = 5e^7
    = appr 5483.2

    I can't make out the second one

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