30a-7=53

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Solution for 30a-7=53 equation: 



30a-7=53

We move all terms to the left:

30a-7-(53)=0

We add all the numbers together, and all the variables

30a-60=0

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

30a=60

a=60/30

a=2

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