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Solving Linear Systems

Solving Linear Systems 1.4 - Solution

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a
We can determine whether or not the - and -value represent a solution by substituting them into the system of equations. If both equations hold true, the point is a solution.
The equality is valid for the first equation but not the for the second. A solution to a system of equations makes it so that all equations are satisfied solutions. Thus, and are not solutions to the system.
b
Do the same thing with and
Since the equality is satisfied for both equations when and it has to be a solution to the system of equations.