3a-3=7

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Solution for 3a-3=7 equation: 



3a-3=7

We move all terms to the left:

3a-3-(7)=0

We add all the numbers together, and all the variables

3a-10=0

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

3a=10

a=10/3

a=3+1/3

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