4^+2^x+3=20

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Solution for 4^+2^x+3=20 equation: 



4^+2^x+3=20

We move all terms to the left:

4^+2^x+3-(20)=0

determiningTheFunctionDomain
2^x+3-20+4^=0

We add all the numbers together, and all the variables

2^x=0

x=0/1

x=0

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