x+2^3+21=47

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Solution for x+2^3+21=47 equation: 



x+2^3+21=47

We move all terms to the left:

x+2^3+21-(47)=0

determiningTheFunctionDomain
x+21-47+2^3=0

We add all the numbers together, and all the variables

x-18=0

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

x=18

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