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

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



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

We move all terms to the left:

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



We calculate terms in parentheses: -(9(3^3-x)), so:

9(3^3-x)

We multiply parentheses

-9x+243

Back to the equation:

-(-9x+243)



We get rid of parentheses

3^x+9x-243=0

We add all the numbers together, and all the variables

9x+3^x-243=0

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

9x+3^x=243

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