If BD⊥ AC, m∠DBE = (2x – 1 )and m∠CBE = (5x – 42)find the value of x.

Answer:
19°
Step-by-step explanation:
Angle DBE + Angle CBE = 90
2x - 1 + 5x - 42 = 90
7x = 133
x = 19°