Question

help please
Solve each of these systems using the substitution method. Make sure to check your answers !
2x + 3y = -4
x − 2y = 5

Answer a. x = 1, y = -2
b. x = -1, y = 2
c. x = 1, y = 2
d. x = -2, y = -1

question 2
2x − y = -2
3y = 6 − 5x

Answer a. x = 0, y = 2
b. x = 2, y = 0
c. x = 2, y = 2
d. x = 0, y = -2

question 3
2x − y = 4
6x − 3y = 7

Answer a. y = 2x - 4
b. No solution
c. x = 2, y = -4
d. x = 2, y = 5/3

question 4
2x − y = 3
4x = 6 + 2y

Answer a. Infinitely many solutions
b. x = 2, y = 1
c. y=2x-3 d. x=4,y=5