7x-42=7x-42

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



7x-42=7x-42

We move all terms to the left:

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

We get rid of parentheses

7x-7x+42-42=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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