Respuesta :

Answer:Please give me brainliest

This for the first one

x=5

y=46

z=88

This for second one

x=y

so x=45

y=45

z=11.1

This for the third one

x=60

y=60

z=4.2

This for the fourth one

x=60

y=16

z=16

Step-by-step explanation: