A linear equation in one variable has one solution. An equation of another kind may have none, one, or more - including infinitely many - solutions.
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Yes and sometimes it can have more than one solution.
Only a linear equation in one variable x , which is an equation of the form ax + b = 0, (where a is different than 0), has only one solution. The solution is: x = -b/a
An equation that is simplified to 0 0 is called a perfect equation. It usually have exactly one solution.
If the two equations are linear transformations of one another they have the same solution.
One