7g-21=77

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Solution for 7g-21=77 equation: 



7g-21=77

We move all terms to the left:

7g-21-(77)=0

We add all the numbers together, and all the variables

7g-98=0

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

7g=98

g=98/7

g=14

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