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-3=-2g+-7
We move all terms to the left:
-3-(-2g+-7)=0
We add all the numbers together, and all the variables
-(-2g-7)-3=0
We get rid of parentheses
2g+7-3=0
We add all the numbers together, and all the variables
2g+4=0
We move all terms containing g to the left, all other terms to the right
2g=-4
g=-4/2
g=-2
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