9^x-7*3^x-18=0

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Solution for 9^x-7*3^x-18=0 equation: 



9^x-7*3^x-18=0

Wy multiply elements

9^x-21x-18=0

We add all the numbers together, and all the variables

-21x+9^x-18=0

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

-21x+9^x=18

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