-(a-3)=3(6-2a)

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Solution for -(a-3)=3(6-2a) equation: 



-(a-3)=3(6-2a)

We move all terms to the left:

-(a-3)-(3(6-2a))=0

We add all the numbers together, and all the variables

-(a-3)-(3(-2a+6))=0

We get rid of parentheses

-a-(3(-2a+6))+3=0



We calculate terms in parentheses: -(3(-2a+6)), so:

3(-2a+6)

We multiply parentheses

-6a+18

Back to the equation:

-(-6a+18)



We add all the numbers together, and all the variables

-1a-(-6a+18)+3=0

We get rid of parentheses

-1a+6a-18+3=0

We add all the numbers together, and all the variables

5a-15=0

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

5a=15

a=15/5

a=3

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