Respuesta :

Answer:

3 1/3

Step-by-step explanation:

10+z=z+z+z+z

10+z=4z

10=3z

z=3 1/3

Answer:

3 1/3

Step-by-step explanation:

10+z=z+z+z+z

10+z=4z

10=3z

z=3 1/3