5g+9=21-g

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Solution for 5g+9=21-g equation: 



5g+9=21-g

We move all terms to the left:

5g+9-(21-g)=0

We add all the numbers together, and all the variables

5g-(-1g+21)+9=0

We get rid of parentheses

5g+1g-21+9=0

We add all the numbers together, and all the variables

6g-12=0

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

6g=12

g=12/6

g=2

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