3(s-81)=42

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Solution for 3(s-81)=42 equation: 



3(s-81)=42

We move all terms to the left:

3(s-81)-(42)=0

We multiply parentheses

3s-243-42=0

We add all the numbers together, and all the variables

3s-285=0

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

3s=285

s=285/3

s=95

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