Perpendicular lines have negative reciprocal slopes. So if the slope is -2/5...to find the negative reciprocal, " flip " the slope and change the sign.
So we flip -2/5 and we get 5/-2...and now we change the sign...and we get 5/2. So our perpendicular slope will be 5/2.
The equivalent expression of
is 
<h3>How to determine the equivalent fraction?</h3>
The fraction is given as:

Take the LCM

Express as products

Evaluate the product

Hence, the equivalent expression of
is 
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X = 33
X can Be mirrored vertically and then is supplementary to x