If $j$ is a positive integer and the expression $(7j+3)$ is multiplied by 3 and then divided by 7, what is the remainder?
Question:
If $j$ is a positive integer and the expression $(7j+3)$ is multiplied by 3 and then divided by 7, what is the remainder?
Answer:
Let's think step by step.

user
2
If $j$ is a positive integer and the expression $(7j+3)$ is multiplied by 3 and then divided by 7, what is the remainder?
train