9^x-7(3^x)=18

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Solution for 9^x-7(3^x)=18 equation: 



9^x-7(3^x)=18

We move all terms to the left:

9^x-7(3^x)-(18)=0

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

9^x-73^x=18

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