Answer:

Step-by-step explanation:





5k-4k=-1+-1
k=-2, its all aboit rearranging the order of numders based on there like terms. If you need any more help ask.
Answer:
your answer to your question is an lb
I think it's B, there no repeating number.
Answer:
5
Step-by-step explanation:
3 - 2 = 1
3 + 2 =5
5 x 1 =5