? x 5/7=30/7 or 4 2/7 ?

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

Someone me! if you’re smart you can solve this!

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