7^x-1=15

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Solution for 7^x-1=15 equation: 



7^x-1=15

We move all terms to the left:

7^x-1-(15)=0

We add all the numbers together, and all the variables

7^x-16=0

We move all terms containing x to the left, all other terms to the right

7^x=16

x=16/1

x=16

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