Answer:
I'm not really sure about this.
3a = 24 :
A teacher brought 24 apples to school.
She gave three of her students an unknown number of apples.
How many apples did each student collect?
Explanation:
But I'm totally sure about this
x -7=6 :Lily brought an unknown number of apples to school .She gave out seven of those apples to her friends at the end of the day she had six apples remaining .how many apples did she bring to school?
Best of luck