Answer:
Probably 43
Explanation:
The two angles are equal so you would make them equal by 6x-48=4x+38. Then just simply isolate x.
6x-48=4x+38
(6x-4x)-48=(4x-4x)+38
2x-48=38
2x-(48+48)=(38+48)
2x=86
(2x/2)=(86/2)
x=43
I don't know if this is right, I'm pretty rusty in this subject.