3^9x=3^7x+^8

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Solution for 3^9x=3^7x+^8 equation: 



3^9x=3^7x+^8

We move all terms to the left:

3^9x-(3^7x+^8)=0

We get rid of parentheses

3^9x-3^7x-^8=0

We add all the numbers together, and all the variables

3^9x-3^7x=0

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