30+30=3a

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Solution for 30+30=3a equation: 



30+30=3a

We move all terms to the left:

30+30-(3a)=0

We add all the numbers together, and all the variables

-3a+60=0

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

-3a=-60

a=-60/-3

a=+20

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