3(x-1)-9=30

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Solution for 3(x-1)-9=30 equation: 



3(x-1)-9=30

We move all terms to the left:

3(x-1)-9-(30)=0

We add all the numbers together, and all the variables

3(x-1)-39=0

We multiply parentheses

3x-3-39=0

We add all the numbers together, and all the variables

3x-42=0

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

3x=42

x=42/3

x=14

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