Answer:
Option (3)
Step-by-step explanation:






Therefore, Option (3) will be the correct option.
Answer:
x = 19°
Step-by-step explanation:
could you further explain?
Answer:
a. -1
Step-by-step explanation:
Simply the equation: 3x+x+8=4
1st step: 4x+8=4
2nd step: 4x=4-8
3rd step: x=
4th step: x= -1