1. Mrs. Smith wants to give the same number of candies to several children.
When she gives each child 3 pieces, there is a shortage of 7 candies.
When she gives each child 2 pieces, there are 14 candies left.
How many children are there?

2.
Joseph wants to share his gumballs with his friends.
If he gives each friend 4 gumballs, there are 12 gumballs left.
If he gives each friend 6 gumballs, there is a shortage of 4 gumballs.
How many friends are there?