In this case, since one equation is in the form of x=, substitution would be best for this problem. Simply plug in 4y + 8 in place of x in the second equation, solve for y, then plug that value into the first equation to find x.
Mark: 52 meatball sandwiches
Julie: 64 meatball sandwiches
Since it says the number x , this means x represents a number , reduced by 25 means that this is most likely half of 25 so whats half of 25%?
well 5 * 5 = 25 , so here is your answer = 5
