Respuesta :

Answer:

z=2

Step-by-step explanation:

add 15 to both sides.

6z=-8z+28

add 8z to both sides.

14z=28

divide by 14 on both sides.

z=2

Answer:

z=2

Step-by-step explanation:

-15+6z=-8z+13

6z=-8z+28

14z=28

z=2