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3/1g=20.9
We move all terms to the left:
3/1g-(20.9)=0
Domain of the equation: 1g!=0We add all the numbers together, and all the variables
g∈R
3/1g-20.9=0
We multiply all the terms by the denominator
-(20.9)*1g+3=0
We multiply parentheses
-20.9g+3=0
We move all terms containing g to the left, all other terms to the right
-20.9g=-3
g=-3/-20.9
g=3/20.9
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