30-6a=-3(a-6)

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Solution for 30-6a=-3(a-6) equation: 



30-6a=-3(a-6)

We move all terms to the left:

30-6a-(-3(a-6))=0



We calculate terms in parentheses: -(-3(a-6)), so:

-3(a-6)

We multiply parentheses

-3a+18

Back to the equation:

-(-3a+18)



We get rid of parentheses

-6a+3a-18+30=0

We add all the numbers together, and all the variables

-3a+12=0

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

-3a=-12

a=-12/-3

a=+4

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