Answer:
98°
Explanation:
the sum of interior angles in a triangle is = 180°
so we should add up all expressions given as angle measures up
3x - 16 + x + x + 6 = 180°
5x -10 = 180°
5x = 190
x = 38°
angle M = 3x - 16 (replace x with the value we found)
M = 3×38 - 16 ➡ M = 98°