*Substitution*

Use substitution to solve each system of equations. If the system does not have exactly one solution, state whether it has no solution of Infinitely many solutions

1. 2x + 5y= 38

x - 3y = -3

2. x - 4y = 27

3x + y = -23

3. 2x + 2y = 7

x - 2y = -1

4. 2.5 + y = -2

3x + 2y = 0

PLEASE HELP ME!!! I've BEEN TRYING TO DO THIS SINCE 5:00 and its 10:39!!!!! YOU DESERVE A COOKIE IF YOU ARE ABLE TO HELP ME!!!!