This seems like a personal question
Answer:
2k
Step-by-step explanation:
3k and -k are both like terms, so you can combine them. Adding opposite signs works in the same way as subtraction, so you can rewrite the expression as 3k-k, which is 2k.
224 is the times to were it’s put in the outside order inside of it
Answer:
1846
Step-by-step explanation:
1290+456