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(G/2)=0.4(G/2)-1.2
We move all terms to the left:
(G/2)-(0.4(G/2)-1.2)=0
We add all the numbers together, and all the variables
(+G/2)-(0.4(+G/2)-1.2)=0
We get rid of parentheses
G/2-(0.4(+G/2)-1.2)=0
We calculate fractions
=0
G=0/1
G=0
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