SOLUTION: How do you know when an equation has no solution?

Algebra.Com
Question 376186: How do you know when an equation has no solution?
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
The solution to the equation will lead to a contradiction.
.
.
.
Example:

Subtract x from both sides.

False, so there is no solution.

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