7(3s+9)=336

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Solution for 7(3s+9)=336 equation: 



7(3s+9)=336

We move all terms to the left:

7(3s+9)-(336)=0

We multiply parentheses

21s+63-336=0

We add all the numbers together, and all the variables

21s-273=0

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

21s=273

s=273/21

s=13

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