The first 3 are correct but for the last one I’m not sure
1 and 2 are right because one has adjacent. 2 vertical angles. Vertical angles mean the same plane and adjacent means two sides of an X.
If y=0 then,
2x-8=0
2x=8
X=8/2
X=4
Answer is c
Answer:
lmk what you mean and i will help you asap
2(x+4)=18
2•x + 2•4 = 18
2x + 8 = 18
2x + 8 = 18
- 8 -8
_________
2x = 10
2x = 10
__ __
÷2 ÷2
x = 5