12s=3(3s+18)

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Solution for 12s=3(3s+18) equation: 



12s=3(3s+18)

We move all terms to the left:

12s-(3(3s+18))=0



We calculate terms in parentheses: -(3(3s+18)), so:

3(3s+18)

We multiply parentheses

9s+54

Back to the equation:

-(9s+54)



We get rid of parentheses

12s-9s-54=0

We add all the numbers together, and all the variables

3s-54=0

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

3s=54

s=54/3

s=18

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