9q+5=12q+21

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Solution for 9q+5=12q+21 equation: 



9q+5=12q+21

We move all terms to the left:

9q+5-(12q+21)=0

We get rid of parentheses

9q-12q-21+5=0

We add all the numbers together, and all the variables

-3q-16=0

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

-3q=16

q=16/-3

q=-5+1/3

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