Respuesta :
Answer:
160
Step-by-step explanation:
-80 + y = 80
-80 - 80 = y
160 = y
1. why i do replace +80 to y because they ask for y
-80 + 160 = ???
-80 + 160 = 80
Answer:
160
Step-by-step explanation:
-80 + y = 80
-80 - 80 = y
160 = y
1. why i do replace +80 to y because they ask for y
-80 + 160 = ???
-80 + 160 = 80