3a-1=28

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Solution for 3a-1=28 equation: 



3a-1=28

We move all terms to the left:

3a-1-(28)=0

We add all the numbers together, and all the variables

3a-29=0

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

3a=29

a=29/3

a=9+2/3

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