192k views
2 votes
A pair of vertical angles has measures

(2z+43)°
and
(−10z+25)°
.
What is the value of z? Vertical angles = each other
(2z+43)°
=
(−10z+25)°



3
2




11
4



​ ​
−31


User Vogash
by
6.3k points

2 Answers

4 votes

Answer:

The answer is Z equals negative 3/2

Explanation:


User Ptk
by
5.6k points
5 votes
(2z+43)=(-10z+25)
-2z -2z
43=-12z+25
-25 -25
18=-12z
z=-1.5

So Z=3/2
User Manush
by
6.0k points