3(a+6)=6(a+3)-3a

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



3(a+6)=6(a+3)-3a

We move all terms to the left:

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

We multiply parentheses

3a-(6(a+3)-3a)+18=0



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

6(a+3)-3a

We add all the numbers together, and all the variables

-3a+6(a+3)

We multiply parentheses

-3a+6a+18

We add all the numbers together, and all the variables

3a+18

Back to the equation:

-(3a+18)



We get rid of parentheses

3a-3a-18+18=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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