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7(x-2)=7x+42
We move all terms to the left:
7(x-2)-(7x+42)=0
We multiply parentheses
7x-(7x+42)-14=0
We get rid of parentheses
7x-7x-42-14=0
We add all the numbers together, and all the variables
-56!=0
There is no solution for this equation
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