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16.81=3g+3.94
We move all terms to the left:
16.81-(3g+3.94)=0
We get rid of parentheses
-3g-3.94+16.81=0
We add all the numbers together, and all the variables
-3g+12.87=0
We move all terms containing g to the left, all other terms to the right
-3g=-12.87
g=-12.87/-3
g=4+0.87/3
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