Answer:
0.05 decimal
1/20 fraction
Step-by-step explanation:
-1/2x-3=-9-1/5x
Add 1/2 to -1/5 and add 9 to -3
6=3/10
Put 3/10 to decimal
.3
6=0.3
.3/6
0.05
0.4% = 0.004
100 * 0.004 = 0.4
x=3
2x+3=9
2x=6
Answer: X= 25 degrees
A triangle is 180 degrees.
115+40=165
180-165=25 degrees