2a-3=9-a

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



2a-3=9-a

We move all terms to the left:

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

We add all the numbers together, and all the variables

2a-(-1a+9)-3=0

We get rid of parentheses

2a+1a-9-3=0

We add all the numbers together, and all the variables

3a-12=0

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

3a=12

a=12/3

a=4

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