
Philip P. answered 09/13/19
Affordable, Experienced, and Patient Geometry Tutor
Can't see the figure in your problem, but it seems like it's the following:
M
/
7x-13 / 3x+13
P-------------A---------------------C
Since ∠ MAP and ∠MAC form a linear pair, the sum to 180o. So:
m∠MAP + m∠MAC = 180
7x-13 + 3x+13 = 180
Solve for x then solve for m∠MAP and m∠MAC.