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Question

In the following given systems of equations determine whether the system has a unique solution, no solution or infinitely many solutions. In case there is a unique solution, find it
x2y=8
5x10y=10

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Solution

Slope of 1st line =12=12

Slope of 2nd line =510=12

both lines have the same Slope

Divide equation (2) by 5;

equation (2) : x2y=2, which differ by constant from that of the 1st equation

The two lines are parallel

The system has no solution

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