9a+3;a=5

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Solution for 9a+3;a=5 equation: 



9a+3a=5

We move all terms to the left:

9a+3a-(5)=0

We add all the numbers together, and all the variables

12a-5=0

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

12a=5

a=5/12

a=5/12

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