7(3s+3)=189

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Solution for 7(3s+3)=189 equation: 



7(3s+3)=189

We move all terms to the left:

7(3s+3)-(189)=0

We multiply parentheses

21s+21-189=0

We add all the numbers together, and all the variables

21s-168=0

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

21s=168

s=168/21

s=8

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