Question: A method of solving systems
of linear equations by
an expression for a variable and then solving for the other variable is called
Answer choices:
•graphing
•substitution
•substituting
•solving
(help me please)

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