M∠LONm, angle, L, O, N is a straight angle. \qquad m \angle LOM = 9x - 91^\circm∠LOM=9x−91 ∘ m, angle, L, O, M, equals, 9, x, minus, 91, degrees \qquad m \angle MON = 6x + 76^\circm∠MON=6x+76 ∘ m, angle, M, O, N, equals, 6, x, plus, 76, degrees Find m\angle MONm∠MONm, angle, M, O, N: