Answer:
-k+3k= 2k
Positive sign because 3k is greater than -k on the number line.
Numbers that are greater on the right side.
Numbers that are negative are on the left side.
2k
Step-by-step explanation:
-k has an invisible 1 in front of the k that makes it -1k.
so
-1k+3k=2k
-1+3=2
-1k+3k= 2k
