3^9=3^7x+8

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



3^9=3^7x+8

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(3^7x+8)+19683=0

We get rid of parentheses

-3^7x-8+19683=0

We add all the numbers together, and all the variables

-3^7x+19675=0

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

-3^7x=-19675

x=-19675/1

x=-19675

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