Answer:
m∠MBT = 28°
Explanation:
Since m∠NBM = m∠MBT, the 2 equations are equal to each other.
Step 1: Set up equation
17x - 6 = 5x + 18
Step 2: Solve for x
12x - 6 = 18
12x = 24
x = 2
Step 3: Find m∠MBT
m∠MBT = 5x + 18
m∠MBT = 5(2) + 18
m∠MBT = 10 + 18
m∠MBT = 28°