Answer:
m∠R = 56°
Step-by-step explanation:
2(8x - 12) = 16x - 24
2(3x + 5) = 6x + 10
16x + 6x + 10 - 24 = 360
22x - 14 = 360
22x = 374
x = 17
3x + 5 = 17 x 3 = 51 + 5 = 56
