Answer:
-10 but its 17
Step-by-step explanation:
Answer:
B. 13/4
Step-by-step explanation:
Vertical angles are equal
3x+4 = 7x-9
Subtract 3x from each side
3x-3x+4 = 7x-3x-9
4 = 4x-9
Add 9 to each side
4+9 = 4x-9+9
13 = 4x
Divide each side by 4
13/4 = 4x/4
13/4 =x