Solving Systems by Subsitution

Last updated almost 6 years ago
3 questions
10

Solve the system using substitution. -2x+5y=19 3x-4=y

10

Tell whether the system has one solution, infinitely many solutions, or no solutions y=2x+1 4x-2y=6

you need to solve it!
10

In a talent show of singing and comedy acts, singing acts are 5 min long and comedy acts are 3 min long. The show has 12 acts and lasts 50 min. How many singing acts and how many comedy acts are in the show?

Set up a system and solve!