9+2a=-3-3a

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



9+2a=-3-3a

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

2a+3a+3+9=0

We add all the numbers together, and all the variables

5a+12=0

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

5a=-12

a=-12/5

a=-2+2/5

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