Math
posted by Arelis .
Rewrite each expression using the indicated property.
(x+7)+3, Associate Property
5(3)+5(4), Distributive Property
I'm in middle school and my teacher gave those problems and I don't understand. Can someone help me please? Thanks!

x + (7+3) or x+10
5(3+4) or 5*7 
Linda, please don't respond to questions when you don't know the answer. Also  if you think you do know the answer, please make sure that you're right.