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7^3x-1*343=1
We move all terms to the left:
7^3x-1*343-(1)=0
determiningTheFunctionDomain 7^3x-1-1*343=0
We add all the numbers together, and all the variables
7^3x-344=0
We move all terms containing x to the left, all other terms to the right
7^3x=344
x=344/1
x=344
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