Arecycling company had ten pounds of material to sort. to make it easier they split then into boxes with each full box having four pounds, how many full boxes did they have?

The late fee for library books is $2.00 plus 15¢ each day for a book that is late. if maria’s fee for a late book was $3.20, write and solve a linear equation to find how many days late the book was.

What is the value of x in the following equation? -3x-2=2x+8

I'm confused on this could anyone me and show me what i need to do to solve it.