Answer:
B. 16n+18
Step-by-step explanation:
<u>Expand by distributing terms</u>
-5n+18+21n
<u>Collect like terms</u>
(-5n+21n)+18
<u>Simplify</u>~~
16n+18
I hope this helps ya
(x.y) = (3,-1)
yummy
The Least Common Multiple (LCM) is: 19 x 43 = 817