12a+9=3(+)

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Solution for 12a+9=3(+) equation: 



12a+9=3(+)

We move all terms to the left:

12a+9-(3(+))=0

We add all the numbers together, and all the variables

12a+9-(30)=0

We add all the numbers together, and all the variables

12a-21=0

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

12a=21

a=21/12

a=1+3/4

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