3g-21+9g=1-g

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Solution for 3g-21+9g=1-g equation: 



3g-21+9g=1-g

We move all terms to the left:

3g-21+9g-(1-g)=0

We add all the numbers together, and all the variables

3g+9g-(-1g+1)-21=0

We add all the numbers together, and all the variables

12g-(-1g+1)-21=0

We get rid of parentheses

12g+1g-1-21=0

We add all the numbers together, and all the variables

13g-22=0

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

13g=22

g=22/13

g=1+9/13

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