Respuesta :

apologiabiology
vertical angles have the same measure

so
2z+43=-10z+25
add 10z both sides
12z+43=25
minus 43 both sides
12z=-18
divide both sides by 12
z=-18/12
z=-9/6
z=-3/2

first option
steventheepicgamer12

Answer:

Step-by-steso

2z+43=-10z+25

add 10z both sides

12z+43=25

minus 43 both sides

12z=-18

divide both sides by 12

z=-18/12

z=-9/6

z=-3/2

first option explanation:

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