2187=3^x-1

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Solution for 2187=3^x-1 equation: 



2187=3^x-1

We move all terms to the left:

2187-(3^x-1)=0

We get rid of parentheses

-3^x+1+2187=0

We add all the numbers together, and all the variables

-3^x+2188=0

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

-3^x=-2188

x=-2188/1

x=-2188

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