The point is
.
Draw coordinate plane and plot the point
.
The y - coordinate of the point on the red line is 3. This means that all points on the line have a y - coordinate of 3. Therefore equation of the line is
.
The x - coordinate of the point on the blue line is 5. This means that all points on the line have a x - coordinate of 5. Therefore equation of the line is
.
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Therefore the equation of horizontal line is
and the equation of vertical line is
.
The equation of horizontal line is
and the equation of vertical line is
.