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4^(9x)=2.7
We move all terms to the left:
4^(9x)-(2.7)=0
We add all the numbers together, and all the variables
4^9x-2.7=0
We move all terms containing x to the left, all other terms to the right
4^9x=2.7
x=2.7/1
x=2.7
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