Answer:
y=97
Step-by-step explanation:
1st do 42+55=97 to find
2nd do 180-97=83 to find z so z=83
3rd do then do 180-83=97 sense y and z are supplementary
so therefore the answer is y=97
If brainiest is earned its greatly appreciated
this is still me the one who asked the question i'm doing this so you can get brainlest ;)
