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13. Please check and make sure my answer is right. Thanks!

Algebra
Tutor: None Selected Time limit: 0 Hours

Apr 27th, 2015

this equation can be written as

   3^4 = 7x                 (if log m to base n = x   then n^x = m)

81 = 7x

  x= 81/7 =11.57


so,x= 81/7 ......................................................answer


hope you understood...please message if you have any doubts...thank you

Apr 26th, 2015

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Apr 27th, 2015
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Apr 27th, 2015
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