The af+bg theorem is a way to combine two things together in math. Imagine you have two groups of toys, one with apples (group A) and one with bananas (group B). If you want to share them with your friends, you can use the af+bg theorem to figure out how many of each toy you can give.
Now, let's pretend you have 3 apples in group A and 4 bananas in group B. Your friend wants 2 of each kind of fruit. To use the af+bg theorem, you can write it like this:
2(3 apples) + 2(4 bananas) =
6 apples + 8 bananas =
14 total fruits to share.
So, you can share 6 apples and 8 bananas with your friend. The af+bg theorem is just a fancy way to add up things from different groups to figure out how much you have in total. It can be used for more complicated math problems too!