9^x+3=81^x-6

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Solution for 9^x+3=81^x-6 equation: 



9^x+3=81^x-6

We move all terms to the left:

9^x+3-(81^x-6)=0

We get rid of parentheses

9^x-81^x+6+3=0

We add all the numbers together, and all the variables

9^x-81^x+9=0

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

9^x-81^x=-9

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