Solve by using subsitution-
y=x+2
y=-x-4

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be able to prepare using the sauce?

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*