12a/2=30

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Solution for 12a/2=30 equation: 



12a/2=30

We move all terms to the left:

12a/2-(30)=0

We multiply all the terms by the denominator


12a-30*2=0

We add all the numbers together, and all the variables

12a-60=0

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

12a=60

a=60/12

a=5

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