2^9=8^x

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Solution for 2^9=8^x equation: 



2^9=8^x

We move all terms to the left:

2^9-(8^x)=0

We add all the numbers together, and all the variables

-8^x+512=0

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

-8^x=-512

x=-512/1

x=-512

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