2a-1=30

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Solution for 2a-1=30 equation: 



2a-1=30

We move all terms to the left:

2a-1-(30)=0

We add all the numbers together, and all the variables

2a-31=0

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

2a=31

a=31/2

a=15+1/2

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