7x-42=x+42

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Solution for 7x-42=x+42 equation: 



7x-42=x+42

We move all terms to the left:

7x-42-(x+42)=0

We get rid of parentheses

7x-x-42-42=0

We add all the numbers together, and all the variables

6x-84=0

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

6x=84

x=84/6

x=14

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