8a-2a=30

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Solution for 8a-2a=30 equation: 



8a-2a=30

We move all terms to the left:

8a-2a-(30)=0

We add all the numbers together, and all the variables

6a-30=0

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

6a=30

a=30/6

a=5

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