x+2(x-6)=42

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Solution for x+2(x-6)=42 equation: 



x+2(x-6)=42

We move all terms to the left:

x+2(x-6)-(42)=0

We multiply parentheses

x+2x-12-42=0

We add all the numbers together, and all the variables

3x-54=0

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

3x=54

x=54/3

x=18

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