-3(a+1)=3(3a-1)

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Solution for -3(a+1)=3(3a-1) equation: 



-3(a+1)=3(3a-1)

We move all terms to the left:

-3(a+1)-(3(3a-1))=0

We multiply parentheses

-3a-(3(3a-1))-3=0



We calculate terms in parentheses: -(3(3a-1)), so:

3(3a-1)

We multiply parentheses

9a-3

Back to the equation:

-(9a-3)



We get rid of parentheses

-3a-9a+3-3=0

We add all the numbers together, and all the variables

-12a=0

a=0/-12

a=0

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