7-3a-2=9+3a

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Solution for 7-3a-2=9+3a equation: 



7-3a-2=9+3a

We move all terms to the left:

7-3a-2-(9+3a)=0

We add all the numbers together, and all the variables

-3a-(3a+9)+7-2=0

We add all the numbers together, and all the variables

-3a-(3a+9)+5=0

We get rid of parentheses

-3a-3a-9+5=0

We add all the numbers together, and all the variables

-6a-4=0

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

-6a=4

a=4/-6

a=-2/3

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