g/2=21

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Solution for g/2=21 equation: 



g/2=21

We move all terms to the left:

g/2-(21)=0

We multiply all the terms by the denominator


g-21*2=0

We add all the numbers together, and all the variables

g-42=0

We move all terms containing g to the left, all other terms to the right

g=42

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