Respuesta :

Answer:

Step-by-step explanation:

4. x=50 because 28+17=45, 180-85-45

y=130 becaue 180-50

z=5 because 180-130-45

5. z=59 because 40+24 =64, 180-64-57

y=121 becayse 180-59

x=5 because 180-121-64