Answer:
y=4
Step-by-step explanation:
84=30y-9y, first you collect like terms.
84=21y, swap the sides
21y=84, devide both sides and you get y =4
305
23×9+98
207+98
Step-by-step explanation-3:
27
the watch was alredy 19 seconds behind so you take 46 and subtract 19 and you get 27
