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g(2.15)=12.9
We move all terms to the left:
g(2.15)-(12.9)=0
We add all the numbers together, and all the variables
g(2.15)-12.9=0
We multiply parentheses
2.15g-12.9=0
We move all terms containing g to the left, all other terms to the right
2.15g=12.9
g=12.9/2.15
g=6+1.7763568394003E-15/2.15
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