write a linear equation representing a line which is parallel to x-axis and is at distance of 3 unit above x-axis

*y*=

*c*

Since the line is 3 units above the x-axis.

So the line

*y*=

*c*passes through the point (3, 0)

Then,

*c*= 3

Therefore the required equation of the line parallel to the x-axis is

*y*= 3.

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