Answer:
x = 25
∠A = 125
Step-by-step explanation:
∠A = ∠B
where
∠A = 6x + 5°
∠B = 4x + 45°
6x + 5° = 4x + 45°
6x - 4x = 45 - 5
2x = 40
x = 40/2
x = 20
plugin x into ∠A = 6x - 5°
∠A = 6(20) + 5°
A = 145
