Answer:
The measure of angle BED is 78°
Step-by-step explanation:
Hopefully you can see what I did there.
Seriously?
.5 = 5/10 = 1/2 reduced
x=3
180-120=60
60+15x+5+22x+4=180
69+37x=180
37x=111
Inverse Property
Any number X plus the negative of itself = 0
1..9.9
2....23.9
3...106.9
4....21.8
