Solution:
Given:
Angle P is measured in degrees.
[tex]P=19x-5[/tex]where x = 4
Substituting the value of x in the equation,
[tex]\begin{gathered} P=19x-5 \\ P=19(4)-5 \\ P=76-5 \\ P=71^0 \end{gathered}[/tex]Therefore, the measure of angle P is 71 degrees.