Answer:
3x-14=2x+10
add 14 to both sides
3x-14+14=2x+10+14
3x=2x+24
subtract 2x from both sides
3x-2x=2x+24-2x
x=24
Plug x into the equations
3(24)-14=58
2(24)+10=58
they are the same angle
B=122
58-180=122
116-360=244
244/2=122
I hope this is good enough: