Answer:
Equation: Â 2x + 5 + 6x + 15 = 92
Solution: Â x = 9
m∠A =23°  m∠B = 69°
Step-by-step explanation:
measure of ∠B = 3(2x + 5) = 6x + 15
The sum of the angles = 92 = 2x + 5 + 6x + 15
92 = 8x + 20
72 = 8x
x = 9
m∠A = 2(9) + 5 = 18 + 5 = 23
m∠B = 6(9) + 15 = 54 + 15 = 69
Check: Â 23 + 69 = 92 Â and 23(3) = 69