Question

Add 10y – 9 and 18y – 12

hepl me by answer
i will mark u as brainlist​

Answer 1

$10y - 9 + (18y - 12)$

$10y - 9 + 18y - 12$

$28y - 21$

Answer 2

Answer:

the answer is

Step-by-step explanation:

28y-21 :)

hope it helps