9a-3-2a=4+7

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Solution for 9a-3-2a=4+7 equation: 



9a-3-2a=4+7

We move all terms to the left:

9a-3-2a-(4+7)=0

We add all the numbers together, and all the variables

9a-2a-3-11=0

We add all the numbers together, and all the variables

7a-14=0

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

7a=14

a=14/7

a=2

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