5x + 2y = 8 x + y = 4
if you want to solve the system of equations by addition, which of the following could you do?
multiply the second equation by 5 and add.
multiply the second equation by 2 and add.
multiply the second equation by -2 and add.

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell