1.5
Step-by-step explanation:
4x + 17 = 23
- 17 -17
4x=6
then divide 4 from both sides and you get
x=1.5
3x + 18 = 147°
step-by-step explanation:
3x + 18 = 147°, because the value of the central angle is equal to the value of the arc formed by it.
i hope i you.