3^7x=81^4-2x

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Solution for 3^7x=81^4-2x equation: 



3^7x=81^4-2x

We move all terms to the left:

3^7x-(81^4-2x)=0

We get rid of parentheses

3^7x+2x-81^4=0

We add all the numbers together, and all the variables

2x+3^7x-43046721=0

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

2x+3^7x=43046721

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