Answer:
-13y-3
Step-by-step explanation:
(-4y - 1) + (-9y -2)
remove parenthesis
-4y - 1 + -9y -2
combine like terms
-13y - 1 - 2
now we subtract -1 -2 = -3 so
-13y- 3
4.5m questions
5.9m answers