3^z=9(z-1)

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Solution for 3^z=9(z-1) equation: 



3^z=9(z-1)

We move all terms to the left:

3^z-(9(z-1))=0



We calculate terms in parentheses: -(9(z-1)), so:

9(z-1)

We multiply parentheses

9z-9

Back to the equation:

-(9z-9)



We get rid of parentheses

3^z-9z+9=0

We add all the numbers together, and all the variables

-9z+3^z+9=0

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

-9z+3^z=-9

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