6.6a+12=78

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Solution for 6.6a+12=78 equation: 



6.6a+12=78

We move all terms to the left:

6.6a+12-(78)=0

We add all the numbers together, and all the variables

6.6a-66=0

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

6.6a=66

a=66/6.6

a=10

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