Help pls I'll give briliantest and give I 10 points please I need help

This question awards 100 ! i really don’t want to fail i will also mark you !

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a

M? aoc=96 ? space, m, angle, a, o, c, equals, 96, degree \qquad m \angle boc = 8x - 67^\circm? boc=8x? 67 ? space, m, angle, b, o, c, equals, 8, x, minus, 67, degree \qquad m \angle aob = 9x - 75^\circm? aob=9x? 75 ? space, m, angle, a, o, b, equals, 9, x, minus, 75, degree find m\angle bocm? bocm, angle, b, o, c: