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

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



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

We move all terms to the left:

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

We multiply parentheses

3a-(2(a+6))-9=0



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

2(a+6)

We multiply parentheses

2a+12

Back to the equation:

-(2a+12)



We get rid of parentheses

3a-2a-12-9=0

We add all the numbers together, and all the variables

a-21=0

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

a=21

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