-3+7a+2a=3+-2a+2a

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



-3+7a+2a=3+-2a+2a

We move all terms to the left:

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

We add all the numbers together, and all the variables

7a+2a-3-0=0

We add all the numbers together, and all the variables

9a-3=0

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

9a=3

a=3/9

a=1/3

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