m∠LONm, angle, L, O, N is a straight angle.
\qquad m \angle MON = 8x - 13^\circm∠MON=8x−13
∘
m, angle, M, O, N, equals, 8, x, minus, 13, degrees
\qquad m \angle LOM = 7x - 17^\circm∠LOM=7x−17
∘
m, angle, L, O, M, equals, 7, x, minus, 17, degrees
Find m\angle MONm∠MONm, angle, M, O, N: