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21.90=4g+3.62
We move all terms to the left:
21.90-(4g+3.62)=0
We add all the numbers together, and all the variables
-(4g+3.62)+21.9=0
We get rid of parentheses
-4g-3.62+21.9=0
We add all the numbers together, and all the variables
-4g+18.28=0
We move all terms containing g to the left, all other terms to the right
-4g=-18.28
g=-18.28/-4
g=4+1/1.7543859649123
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