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3^x/2=3.1223
We move all terms to the left:
3^x/2-(3.1223)=0
We add all the numbers together, and all the variables
3^x/2-3.1223=0
We multiply all the terms by the denominator
3^x-(3.1223)*2=0
We add all the numbers together, and all the variables
3^x-6.2446=0
We move all terms containing x to the left, all other terms to the right
3^x=6.2446
x=6.2446/1
x=6.2446
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